20361840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2293}}^1$

素因数の和:2346

約数の個数: 80

約数和(自身を含む): 64855968

約数和(自身を除く): 44494128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2293, 2960, 4440, 4586, 6879, 8880, 9172, 11465, 13758, 18344, 22930, 27516, 34395, 36688, 45860, 55032, 68790, 84841, 91720, 110064, 137580, 169682, 183440, 254523, 275160, 339364, 424205, 509046, 550320, 678728, 848410, 1018092, 1272615, 1357456, 1696820, 2036184, 2545230, 3393640, 4072368, 5090460, 6787280, 10180920, 20361840]

約数ペア:

[(1, 20361840), (2, 10180920), (3, 6787280), (4, 5090460), (5, 4072368), (6, 3393640), (8, 2545230), (10, 2036184), (12, 1696820), (15, 1357456), (16, 1272615), (20, 1018092), (24, 848410), (30, 678728), (37, 550320), (40, 509046), (48, 424205), (60, 339364), (74, 275160), (80, 254523), (111, 183440), (120, 169682), (148, 137580), (185, 110064), (222, 91720), (240, 84841), (296, 68790), (370, 55032), (444, 45860), (555, 36688), (592, 34395), (740, 27516), (888, 22930), (1110, 18344), (1480, 13758), (1776, 11465), (2220, 9172), (2293, 8880), (2960, 6879), (4440, 4586)]