16859660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 37158912

約数和(自身を除く): 20299252

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 383, 620, 710, 766, 1420, 1532, 1915, 2201, 3830, 4402, 7660, 8804, 11005, 11873, 22010, 23746, 27193, 44020, 47492, 54386, 59365, 108772, 118730, 135965, 237460, 271930, 543860, 842983, 1685966, 3371932, 4214915, 8429830, 16859660]

約数ペア:

[(1, 16859660), (2, 8429830), (4, 4214915), (5, 3371932), (10, 1685966), (20, 842983), (31, 543860), (62, 271930), (71, 237460), (124, 135965), (142, 118730), (155, 108772), (284, 59365), (310, 54386), (355, 47492), (383, 44020), (620, 27193), (710, 23746), (766, 22010), (1420, 11873), (1532, 11005), (1915, 8804), (2201, 7660), (3830, 4402)]