20007172808

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1\times {\mathrm{14731}}^1$

素因数の和:15130

約数の個数: 64

約数和(自身を含む): 43559577600

約数和(自身を除く): 23552404792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 307, 316, 553, 614, 632, 1106, 1228, 2149, 2212, 2456, 4298, 4424, 8596, 14731, 17192, 24253, 29462, 48506, 58924, 97012, 103117, 117848, 169771, 194024, 206234, 339542, 412468, 679084, 824936, 1163749, 1358168, 2327498, 4522417, 4654996, 8146243, 9044834, 9309992, 16292486, 18089668, 31656919, 32584972, 36179336, 63313838, 65169944, 126627676, 253255352, 357270943, 714541886, 1429083772, 2500896601, 2858167544, 5001793202, 10003586404, 20007172808]

約数ペア:

[(1, 20007172808), (2, 10003586404), (4, 5001793202), (7, 2858167544), (8, 2500896601), (14, 1429083772), (28, 714541886), (56, 357270943), (79, 253255352), (158, 126627676), (307, 65169944), (316, 63313838), (553, 36179336), (614, 32584972), (632, 31656919), (1106, 18089668), (1228, 16292486), (2149, 9309992), (2212, 9044834), (2456, 8146243), (4298, 4654996), (4424, 4522417), (8596, 2327498), (14731, 1358168), (17192, 1163749), (24253, 824936), (29462, 679084), (48506, 412468), (58924, 339542), (97012, 206234), (103117, 194024), (117848, 169771)]