20208959360

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{31357}}^1$

素因数の和:31448

約数の個数: 128

約数和(自身を含む): 51815959200

約数和(自身を除く): 31606999840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 64, 76, 80, 95, 106, 128, 152, 160, 190, 212, 265, 304, 320, 380, 424, 530, 608, 640, 760, 848, 1007, 1060, 1216, 1520, 1696, 2014, 2120, 2432, 3040, 3392, 4028, 4240, 5035, 6080, 6784, 8056, 8480, 10070, 12160, 16112, 16960, 20140, 31357, 32224, 33920, 40280, 62714, 64448, 80560, 125428, 128896, 156785, 161120, 250856, 313570, 322240, 501712, 595783, 627140, 644480, 1003424, 1191566, 1254280, 1661921, 2006848, 2383132, 2508560, 2978915, 3323842, 4013696, 4766264, 5017120, 5957830, 6647684, 8309605, 9532528, 10034240, 11915660, 13295368, 16619210, 19065056, 20068480, 23831320, 26590736, 31576499, 33238420, 38130112, 47662640, 53181472, 63152998, 66476840, 76260224, 95325280, 106362944, 126305996, 132953680, 157882495, 190650560, 212725888, 252611992, 265907360, 315764990, 381301120, 505223984, 531814720, 631529980, 1010447968, 1063629440, 1263059960, 2020895936, 2526119920, 4041791872, 5052239840, 10104479680, 20208959360]

約数ペア:

[(1, 20208959360), (2, 10104479680), (4, 5052239840), (5, 4041791872), (8, 2526119920), (10, 2020895936), (16, 1263059960), (19, 1063629440), (20, 1010447968), (32, 631529980), (38, 531814720), (40, 505223984), (53, 381301120), (64, 315764990), (76, 265907360), (80, 252611992), (95, 212725888), (106, 190650560), (128, 157882495), (152, 132953680), (160, 126305996), (190, 106362944), (212, 95325280), (265, 76260224), (304, 66476840), (320, 63152998), (380, 53181472), (424, 47662640), (530, 38130112), (608, 33238420), (640, 31576499), (760, 26590736), (848, 23831320), (1007, 20068480), (1060, 19065056), (1216, 16619210), (1520, 13295368), (1696, 11915660), (2014, 10034240), (2120, 9532528), (2432, 8309605), (3040, 6647684), (3392, 5957830), (4028, 5017120), (4240, 4766264), (5035, 4013696), (6080, 3323842), (6784, 2978915), (8056, 2508560), (8480, 2383132), (10070, 2006848), (12160, 1661921), (16112, 1254280), (16960, 1191566), (20140, 1003424), (31357, 644480), (32224, 627140), (33920, 595783), (40280, 501712), (62714, 322240), (64448, 313570), (80560, 250856), (125428, 161120), (128896, 156785)]