20870993704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{236461}}^1$

素因数の和:236554

約数の個数: 64

約数和(自身を含む): 45968212800

約数和(自身を除く): 25097219096

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 59, 68, 88, 118, 136, 187, 236, 374, 472, 649, 748, 1003, 1298, 1496, 2006, 2596, 4012, 5192, 8024, 11033, 22066, 44132, 88264, 236461, 472922, 945844, 1891688, 2601071, 4019837, 5202142, 8039674, 10404284, 13951199, 16079348, 20808568, 27902398, 32158696, 44218207, 55804796, 88436414, 111609592, 153463189, 176872828, 237170383, 306926378, 353745656, 474340766, 613852756, 948681532, 1227705512, 1897363064, 2608874213, 5217748426, 10435496852, 20870993704]

約数ペア:

[(1, 20870993704), (2, 10435496852), (4, 5217748426), (8, 2608874213), (11, 1897363064), (17, 1227705512), (22, 948681532), (34, 613852756), (44, 474340766), (59, 353745656), (68, 306926378), (88, 237170383), (118, 176872828), (136, 153463189), (187, 111609592), (236, 88436414), (374, 55804796), (472, 44218207), (649, 32158696), (748, 27902398), (1003, 20808568), (1298, 16079348), (1496, 13951199), (2006, 10404284), (2596, 8039674), (4012, 5202142), (5192, 4019837), (8024, 2601071), (11033, 1891688), (22066, 945844), (44132, 472922), (88264, 236461)]