20786006616

素因数分解:

$2^3\times 3^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{40039}}^1$

素因数の和:40368

約数の個数: 64

約数和(自身を含む): 52737484800

約数和(自身を除く): 31951478184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 97, 194, 223, 291, 388, 446, 582, 669, 776, 892, 1164, 1338, 1784, 2328, 2676, 5352, 21631, 40039, 43262, 64893, 80078, 86524, 120117, 129786, 160156, 173048, 240234, 259572, 320312, 480468, 519144, 960936, 3883783, 7767566, 8928697, 11651349, 15535132, 17857394, 23302698, 26786091, 31070264, 35714788, 46605396, 53572182, 71429576, 93210792, 107144364, 214288728, 866083609, 1732167218, 2598250827, 3464334436, 5196501654, 6928668872, 10393003308, 20786006616]

約数ペア:

[(1, 20786006616), (2, 10393003308), (3, 6928668872), (4, 5196501654), (6, 3464334436), (8, 2598250827), (12, 1732167218), (24, 866083609), (97, 214288728), (194, 107144364), (223, 93210792), (291, 71429576), (388, 53572182), (446, 46605396), (582, 35714788), (669, 31070264), (776, 26786091), (892, 23302698), (1164, 17857394), (1338, 15535132), (1784, 11651349), (2328, 8928697), (2676, 7767566), (5352, 3883783), (21631, 960936), (40039, 519144), (43262, 480468), (64893, 320312), (80078, 259572), (86524, 240234), (120117, 173048), (129786, 160156)]