20820618

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 60211200

約数和(自身を除く): 39390582

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 27, 38, 39, 42, 54, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 189, 223, 234, 247, 266, 273, 342, 351, 378, 399, 446, 494, 513, 546, 669, 702, 741, 798, 819, 1026, 1197, 1338, 1482, 1561, 1638, 1729, 2007, 2223, 2394, 2457, 2899, 3122, 3458, 3591, 4014, 4237, 4446, 4683, 4914, 5187, 5798, 6021, 6669, 7182, 8474, 8697, 9366, 10374, 12042, 12711, 13338, 14049, 15561, 17394, 20293, 25422, 26091, 28098, 29659, 31122, 38133, 40586, 42147, 46683, 52182, 55081, 59318, 60879, 76266, 78273, 84294, 88977, 93366, 110162, 114399, 121758, 156546, 165243, 177954, 182637, 228798, 266931, 330486, 365274, 385567, 495729, 533862, 547911, 771134, 800793, 991458, 1095822, 1156701, 1487187, 1601586, 2313402, 2974374, 3470103, 6940206, 10410309, 20820618]

約数ペア:

[(1, 20820618), (2, 10410309), (3, 6940206), (6, 3470103), (7, 2974374), (9, 2313402), (13, 1601586), (14, 1487187), (18, 1156701), (19, 1095822), (21, 991458), (26, 800793), (27, 771134), (38, 547911), (39, 533862), (42, 495729), (54, 385567), (57, 365274), (63, 330486), (78, 266931), (91, 228798), (114, 182637), (117, 177954), (126, 165243), (133, 156546), (171, 121758), (182, 114399), (189, 110162), (223, 93366), (234, 88977), (247, 84294), (266, 78273), (273, 76266), (342, 60879), (351, 59318), (378, 55081), (399, 52182), (446, 46683), (494, 42147), (513, 40586), (546, 38133), (669, 31122), (702, 29659), (741, 28098), (798, 26091), (819, 25422), (1026, 20293), (1197, 17394), (1338, 15561), (1482, 14049), (1561, 13338), (1638, 12711), (1729, 12042), (2007, 10374), (2223, 9366), (2394, 8697), (2457, 8474), (2899, 7182), (3122, 6669), (3458, 6021), (3591, 5798), (4014, 5187), (4237, 4914), (4446, 4683)]