20797950075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{467}}^1\times {\mathrm{2069}}^1$

素因数の和:2597

約数の個数: 96

約数和(自身を含む): 40362416640

約数和(自身を除く): 19564466565

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 41, 75, 105, 123, 175, 205, 287, 467, 525, 615, 861, 1025, 1401, 1435, 2069, 2335, 3075, 3269, 4305, 6207, 7005, 7175, 9807, 10345, 11675, 14483, 16345, 19147, 21525, 31035, 35025, 43449, 49035, 51725, 57441, 72415, 81725, 84829, 95735, 134029, 155175, 217245, 245175, 254487, 287205, 362075, 402087, 424145, 478675, 593803, 670145, 966223, 1086225, 1272435, 1436025, 1781409, 2010435, 2120725, 2898669, 2969015, 3350725, 4831115, 6362175, 6763561, 8907045, 10052175, 14493345, 14845075, 20290683, 24155575, 33817805, 39615143, 44535225, 72466725, 101453415, 118845429, 169089025, 198075715, 277306001, 507267075, 594227145, 831918003, 990378575, 1386530005, 2971135725, 4159590015, 6932650025, 20797950075]

約数ペア:

[(1, 20797950075), (3, 6932650025), (5, 4159590015), (7, 2971135725), (15, 1386530005), (21, 990378575), (25, 831918003), (35, 594227145), (41, 507267075), (75, 277306001), (105, 198075715), (123, 169089025), (175, 118845429), (205, 101453415), (287, 72466725), (467, 44535225), (525, 39615143), (615, 33817805), (861, 24155575), (1025, 20290683), (1401, 14845075), (1435, 14493345), (2069, 10052175), (2335, 8907045), (3075, 6763561), (3269, 6362175), (4305, 4831115), (6207, 3350725), (7005, 2969015), (7175, 2898669), (9807, 2120725), (10345, 2010435), (11675, 1781409), (14483, 1436025), (16345, 1272435), (19147, 1086225), (21525, 966223), (31035, 670145), (35025, 593803), (43449, 478675), (49035, 424145), (51725, 402087), (57441, 362075), (72415, 287205), (81725, 254487), (84829, 245175), (95735, 217245), (134029, 155175)]