20171421738

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:495

約数の個数: 192

約数和(自身を含む): 49860894720

約数和(自身を除く): 29689472982

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 103, 117, 139, 162, 206, 223, 234, 243, 278, 309, 351, 417, 446, 486, 618, 669, 702, 834, 927, 1053, 1251, 1338, 1339, 1807, 1854, 2007, 2106, 2502, 2678, 2781, 2899, 3159, 3614, 3753, 4014, 4017, 5421, 5562, 5798, 6021, 6318, 7506, 8034, 8343, 8697, 10842, 11259, 12042, 12051, 14317, 16263, 16686, 17394, 18063, 22518, 22969, 24102, 25029, 26091, 28634, 30997, 32526, 33777, 36126, 36153, 42951, 45938, 48789, 50058, 52182, 54189, 61994, 67554, 68907, 72306, 78273, 85902, 92991, 97578, 108378, 108459, 128853, 137814, 146367, 156546, 185982, 186121, 206721, 216918, 234819, 257706, 278973, 292734, 298597, 325377, 372242, 386559, 402961, 413442, 439101, 469638, 557946, 558363, 597194, 620163, 650754, 704457, 773118, 805922, 836919, 878202, 895791, 1116726, 1159677, 1208883, 1240326, 1408914, 1673838, 1675089, 1791582, 1860489, 2319354, 2417766, 2510757, 2687373, 3192691, 3350178, 3479031, 3626649, 3720978, 5021514, 5025267, 5374746, 5581467, 6385382, 6958062, 7253298, 7532271, 8062119, 9578073, 10050534, 10879947, 11162934, 15064542, 15075801, 16124238, 19156146, 21759894, 24186357, 28734219, 30151602, 32639841, 41504983, 45227403, 48372714, 57468438, 65279682, 72559071, 83009966, 86202657, 90454806, 97919523, 124514949, 145118142, 172405314, 195839046, 249029898, 258607971, 373544847, 517215942, 747089694, 775823913, 1120634541, 1551647826, 2241269082, 3361903623, 6723807246, 10085710869, 20171421738]

約数ペア:

[(1, 20171421738), (2, 10085710869), (3, 6723807246), (6, 3361903623), (9, 2241269082), (13, 1551647826), (18, 1120634541), (26, 775823913), (27, 747089694), (39, 517215942), (54, 373544847), (78, 258607971), (81, 249029898), (103, 195839046), (117, 172405314), (139, 145118142), (162, 124514949), (206, 97919523), (223, 90454806), (234, 86202657), (243, 83009966), (278, 72559071), (309, 65279682), (351, 57468438), (417, 48372714), (446, 45227403), (486, 41504983), (618, 32639841), (669, 30151602), (702, 28734219), (834, 24186357), (927, 21759894), (1053, 19156146), (1251, 16124238), (1338, 15075801), (1339, 15064542), (1807, 11162934), (1854, 10879947), (2007, 10050534), (2106, 9578073), (2502, 8062119), (2678, 7532271), (2781, 7253298), (2899, 6958062), (3159, 6385382), (3614, 5581467), (3753, 5374746), (4014, 5025267), (4017, 5021514), (5421, 3720978), (5562, 3626649), (5798, 3479031), (6021, 3350178), (6318, 3192691), (7506, 2687373), (8034, 2510757), (8343, 2417766), (8697, 2319354), (10842, 1860489), (11259, 1791582), (12042, 1675089), (12051, 1673838), (14317, 1408914), (16263, 1240326), (16686, 1208883), (17394, 1159677), (18063, 1116726), (22518, 895791), (22969, 878202), (24102, 836919), (25029, 805922), (26091, 773118), (28634, 704457), (30997, 650754), (32526, 620163), (33777, 597194), (36126, 558363), (36153, 557946), (42951, 469638), (45938, 439101), (48789, 413442), (50058, 402961), (52182, 386559), (54189, 372242), (61994, 325377), (67554, 298597), (68907, 292734), (72306, 278973), (78273, 257706), (85902, 234819), (92991, 216918), (97578, 206721), (108378, 186121), (108459, 185982), (128853, 156546), (137814, 146367)]