20120481975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{14683}}^1$

素因数の和:14869

約数の個数: 72

約数和(自身を含む): 36809616256

約数和(自身を除く): 16689134281

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 151, 165, 275, 363, 453, 605, 755, 825, 1661, 1815, 2265, 3025, 3775, 4983, 8305, 9075, 11325, 14683, 18271, 24915, 41525, 44049, 54813, 73415, 91355, 124575, 161513, 220245, 274065, 367075, 456775, 484539, 807565, 1101225, 1370325, 1776643, 2217133, 2422695, 4037825, 5329929, 6651399, 8883215, 11085665, 12113475, 24388463, 26649645, 33256995, 44416075, 55428325, 73165389, 121942315, 133248225, 166284975, 268273093, 365826945, 609711575, 804819279, 1341365465, 1829134725, 4024096395, 6706827325, 20120481975]

約数ペア:

[(1, 20120481975), (3, 6706827325), (5, 4024096395), (11, 1829134725), (15, 1341365465), (25, 804819279), (33, 609711575), (55, 365826945), (75, 268273093), (121, 166284975), (151, 133248225), (165, 121942315), (275, 73165389), (363, 55428325), (453, 44416075), (605, 33256995), (755, 26649645), (825, 24388463), (1661, 12113475), (1815, 11085665), (2265, 8883215), (3025, 6651399), (3775, 5329929), (4983, 4037825), (8305, 2422695), (9075, 2217133), (11325, 1776643), (14683, 1370325), (18271, 1101225), (24915, 807565), (41525, 484539), (44049, 456775), (54813, 367075), (73415, 274065), (91355, 220245), (124575, 161513)]