20552656040

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{173}}^1\times {\mathrm{1237}}^1$

素因数の和:1449

約数の個数: 160

約数和(自身を含む): 54303211080

約数和(自身を除く): 33750555040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 173, 196, 245, 280, 343, 346, 392, 490, 686, 692, 865, 980, 1211, 1237, 1372, 1384, 1715, 1730, 1960, 2401, 2422, 2474, 2744, 3430, 3460, 4802, 4844, 4948, 6055, 6185, 6860, 6920, 8477, 8659, 9604, 9688, 9896, 12005, 12110, 12370, 13720, 16954, 17318, 19208, 24010, 24220, 24740, 33908, 34636, 42385, 43295, 48020, 48440, 49480, 59339, 60613, 67816, 69272, 84770, 86590, 96040, 118678, 121226, 169540, 173180, 214001, 237356, 242452, 296695, 303065, 339080, 346360, 415373, 424291, 428002, 474712, 484904, 593390, 606130, 830746, 848582, 856004, 1070005, 1186780, 1212260, 1498007, 1661492, 1697164, 1712008, 2076865, 2121455, 2140010, 2373560, 2424520, 2970037, 2996014, 3322984, 3394328, 4153730, 4242910, 4280020, 5940074, 5992028, 7490035, 8307460, 8485820, 8560040, 10486049, 11880148, 11984056, 14850185, 14980070, 16614920, 16971640, 20972098, 23760296, 29700370, 29960140, 41944196, 52430245, 59400740, 59920280, 73402343, 83888392, 104860490, 118801480, 146804686, 209720980, 293609372, 367011715, 419441960, 513816401, 587218744, 734023430, 1027632802, 1468046860, 2055265604, 2569082005, 2936093720, 4110531208, 5138164010, 10276328020, 20552656040]

約数ペア:

[(1, 20552656040), (2, 10276328020), (4, 5138164010), (5, 4110531208), (7, 2936093720), (8, 2569082005), (10, 2055265604), (14, 1468046860), (20, 1027632802), (28, 734023430), (35, 587218744), (40, 513816401), (49, 419441960), (56, 367011715), (70, 293609372), (98, 209720980), (140, 146804686), (173, 118801480), (196, 104860490), (245, 83888392), (280, 73402343), (343, 59920280), (346, 59400740), (392, 52430245), (490, 41944196), (686, 29960140), (692, 29700370), (865, 23760296), (980, 20972098), (1211, 16971640), (1237, 16614920), (1372, 14980070), (1384, 14850185), (1715, 11984056), (1730, 11880148), (1960, 10486049), (2401, 8560040), (2422, 8485820), (2474, 8307460), (2744, 7490035), (3430, 5992028), (3460, 5940074), (4802, 4280020), (4844, 4242910), (4948, 4153730), (6055, 3394328), (6185, 3322984), (6860, 2996014), (6920, 2970037), (8477, 2424520), (8659, 2373560), (9604, 2140010), (9688, 2121455), (9896, 2076865), (12005, 1712008), (12110, 1697164), (12370, 1661492), (13720, 1498007), (16954, 1212260), (17318, 1186780), (19208, 1070005), (24010, 856004), (24220, 848582), (24740, 830746), (33908, 606130), (34636, 593390), (42385, 484904), (43295, 474712), (48020, 428002), (48440, 424291), (49480, 415373), (59339, 346360), (60613, 339080), (67816, 303065), (69272, 296695), (84770, 242452), (86590, 237356), (96040, 214001), (118678, 173180), (121226, 169540)]