20147288

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3709}}^1$

素因数の和:3819

約数の個数: 32

約数和(自身を含む): 43629600

約数和(自身を除く): 23482312

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 3709, 5432, 7418, 14836, 25963, 29672, 51926, 103852, 207704, 359773, 719546, 1439092, 2518411, 2878184, 5036822, 10073644, 20147288]

約数ペア:

[(1, 20147288), (2, 10073644), (4, 5036822), (7, 2878184), (8, 2518411), (14, 1439092), (28, 719546), (56, 359773), (97, 207704), (194, 103852), (388, 51926), (679, 29672), (776, 25963), (1358, 14836), (2716, 7418), (3709, 5432)]