20120512496

素因数分解:

$2^4\times 7^2\times {\mathrm{1123}}^1\times {\mathrm{22853}}^1$

素因数の和:23998

約数の個数: 60

約数和(自身を含む): 45390512232

約数和(自身を除く): 25269999736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 1123, 2246, 4492, 7861, 8984, 15722, 17968, 22853, 31444, 45706, 55027, 62888, 91412, 110054, 125776, 159971, 182824, 220108, 319942, 365648, 440216, 639884, 880432, 1119797, 1279768, 2239594, 2559536, 4479188, 8958376, 17916752, 25663919, 51327838, 102655676, 179647433, 205311352, 359294866, 410622704, 718589732, 1257532031, 1437179464, 2515064062, 2874358928, 5030128124, 10060256248, 20120512496]

約数ペア:

[(1, 20120512496), (2, 10060256248), (4, 5030128124), (7, 2874358928), (8, 2515064062), (14, 1437179464), (16, 1257532031), (28, 718589732), (49, 410622704), (56, 359294866), (98, 205311352), (112, 179647433), (196, 102655676), (392, 51327838), (784, 25663919), (1123, 17916752), (2246, 8958376), (4492, 4479188), (7861, 2559536), (8984, 2239594), (15722, 1279768), (17968, 1119797), (22853, 880432), (31444, 639884), (45706, 440216), (55027, 365648), (62888, 319942), (91412, 220108), (110054, 182824), (125776, 159971)]