20178660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:373

約数の個数: 96

約数和(自身を含む): 60867072

約数和(自身を除く): 40688412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 73, 85, 102, 146, 170, 204, 219, 255, 271, 292, 340, 365, 438, 510, 542, 730, 813, 876, 1020, 1084, 1095, 1241, 1355, 1460, 1626, 2190, 2482, 2710, 3252, 3723, 4065, 4380, 4607, 4964, 5420, 6205, 7446, 8130, 9214, 12410, 13821, 14892, 16260, 18428, 18615, 19783, 23035, 24820, 27642, 37230, 39566, 46070, 55284, 59349, 69105, 74460, 79132, 92140, 98915, 118698, 138210, 197830, 237396, 276420, 296745, 336311, 395660, 593490, 672622, 1008933, 1186980, 1345244, 1681555, 2017866, 3363110, 4035732, 5044665, 6726220, 10089330, 20178660]

約数ペア:

[(1, 20178660), (2, 10089330), (3, 6726220), (4, 5044665), (5, 4035732), (6, 3363110), (10, 2017866), (12, 1681555), (15, 1345244), (17, 1186980), (20, 1008933), (30, 672622), (34, 593490), (51, 395660), (60, 336311), (68, 296745), (73, 276420), (85, 237396), (102, 197830), (146, 138210), (170, 118698), (204, 98915), (219, 92140), (255, 79132), (271, 74460), (292, 69105), (340, 59349), (365, 55284), (438, 46070), (510, 39566), (542, 37230), (730, 27642), (813, 24820), (876, 23035), (1020, 19783), (1084, 18615), (1095, 18428), (1241, 16260), (1355, 14892), (1460, 13821), (1626, 12410), (2190, 9214), (2482, 8130), (2710, 7446), (3252, 6205), (3723, 5420), (4065, 4964), (4380, 4607)]