20185753840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{97159}}^1$

素因数の和:97239

約数の個数: 120

約数和(自身を含む): 55624877280

約数和(自身を除く): 35439123440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 53, 56, 70, 80, 98, 106, 112, 140, 196, 212, 245, 265, 280, 371, 392, 424, 490, 530, 560, 742, 784, 848, 980, 1060, 1484, 1855, 1960, 2120, 2597, 2968, 3710, 3920, 4240, 5194, 5936, 7420, 10388, 12985, 14840, 20776, 25970, 29680, 41552, 51940, 97159, 103880, 194318, 207760, 388636, 485795, 680113, 777272, 971590, 1360226, 1554544, 1943180, 2720452, 3400565, 3886360, 4760791, 5149427, 5440904, 6801130, 7772720, 9521582, 10298854, 10881808, 13602260, 19043164, 20597708, 23803955, 25747135, 27204520, 36045989, 38086328, 41195416, 47607910, 51494270, 54409040, 72091978, 76172656, 82390832, 95215820, 102988540, 144183956, 180229945, 190431640, 205977080, 252321923, 288367912, 360459890, 380863280, 411954160, 504643846, 576735824, 720919780, 1009287692, 1261609615, 1441839560, 2018575384, 2523219230, 2883679120, 4037150768, 5046438460, 10092876920, 20185753840]

約数ペア:

[(1, 20185753840), (2, 10092876920), (4, 5046438460), (5, 4037150768), (7, 2883679120), (8, 2523219230), (10, 2018575384), (14, 1441839560), (16, 1261609615), (20, 1009287692), (28, 720919780), (35, 576735824), (40, 504643846), (49, 411954160), (53, 380863280), (56, 360459890), (70, 288367912), (80, 252321923), (98, 205977080), (106, 190431640), (112, 180229945), (140, 144183956), (196, 102988540), (212, 95215820), (245, 82390832), (265, 76172656), (280, 72091978), (371, 54409040), (392, 51494270), (424, 47607910), (490, 41195416), (530, 38086328), (560, 36045989), (742, 27204520), (784, 25747135), (848, 23803955), (980, 20597708), (1060, 19043164), (1484, 13602260), (1855, 10881808), (1960, 10298854), (2120, 9521582), (2597, 7772720), (2968, 6801130), (3710, 5440904), (3920, 5149427), (4240, 4760791), (5194, 3886360), (5936, 3400565), (7420, 2720452), (10388, 1943180), (12985, 1554544), (14840, 1360226), (20776, 971590), (25970, 777272), (29680, 680113), (41552, 485795), (51940, 388636), (97159, 207760), (103880, 194318)]