20260481900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{25253}}^1$

素因数の和:25451

約数の個数: 72

約数和(自身を含む): 44980808544

約数和(自身を除く): 24720326644

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 113, 142, 226, 284, 355, 452, 565, 710, 1130, 1420, 1775, 2260, 2825, 3550, 5650, 7100, 8023, 11300, 16046, 25253, 32092, 40115, 50506, 80230, 101012, 126265, 160460, 200575, 252530, 401150, 505060, 631325, 802300, 1262650, 1792963, 2525300, 2853589, 3585926, 5707178, 7171852, 8964815, 11414356, 14267945, 17929630, 28535890, 35859260, 44824075, 57071780, 71339725, 89648150, 142679450, 179296300, 202604819, 285358900, 405209638, 810419276, 1013024095, 2026048190, 4052096380, 5065120475, 10130240950, 20260481900]

約数ペア:

[(1, 20260481900), (2, 10130240950), (4, 5065120475), (5, 4052096380), (10, 2026048190), (20, 1013024095), (25, 810419276), (50, 405209638), (71, 285358900), (100, 202604819), (113, 179296300), (142, 142679450), (226, 89648150), (284, 71339725), (355, 57071780), (452, 44824075), (565, 35859260), (710, 28535890), (1130, 17929630), (1420, 14267945), (1775, 11414356), (2260, 8964815), (2825, 7171852), (3550, 5707178), (5650, 3585926), (7100, 2853589), (8023, 2525300), (11300, 1792963), (16046, 1262650), (25253, 802300), (32092, 631325), (40115, 505060), (50506, 401150), (80230, 252530), (101012, 200575), (126265, 160460)]