20454672

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3581}}^1$

素因数の和:3616

約数の個数: 80

約数和(自身を含む): 63960192

約数和(自身を除く): 43505520

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 51, 56, 68, 84, 102, 112, 119, 136, 168, 204, 238, 272, 336, 357, 408, 476, 714, 816, 952, 1428, 1904, 2856, 3581, 5712, 7162, 10743, 14324, 21486, 25067, 28648, 42972, 50134, 57296, 60877, 75201, 85944, 100268, 121754, 150402, 171888, 182631, 200536, 243508, 300804, 365262, 401072, 426139, 487016, 601608, 730524, 852278, 974032, 1203216, 1278417, 1461048, 1704556, 2556834, 2922096, 3409112, 5113668, 6818224, 10227336, 20454672]

約数ペア:

[(1, 20454672), (2, 10227336), (3, 6818224), (4, 5113668), (6, 3409112), (7, 2922096), (8, 2556834), (12, 1704556), (14, 1461048), (16, 1278417), (17, 1203216), (21, 974032), (24, 852278), (28, 730524), (34, 601608), (42, 487016), (48, 426139), (51, 401072), (56, 365262), (68, 300804), (84, 243508), (102, 200536), (112, 182631), (119, 171888), (136, 150402), (168, 121754), (204, 100268), (238, 85944), (272, 75201), (336, 60877), (357, 57296), (408, 50134), (476, 42972), (714, 28648), (816, 25067), (952, 21486), (1428, 14324), (1904, 10743), (2856, 7162), (3581, 5712)]