20123803518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{695411}}^1$

素因数の和:695489

約数の個数: 64

約数和(自身を含む): 50470221312

約数和(自身を除く): 30346417794

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 318, 371, 546, 689, 742, 1113, 1378, 2067, 2226, 4134, 4823, 9646, 14469, 28938, 695411, 1390822, 2086233, 4172466, 4867877, 9040343, 9735754, 14603631, 18080686, 27121029, 29207262, 36856783, 54242058, 63282401, 73713566, 110570349, 126564802, 189847203, 221140698, 257997481, 379694406, 479138179, 515994962, 773992443, 958276358, 1437414537, 1547984886, 2874829074, 3353967253, 6707934506, 10061901759, 20123803518]

約数ペア:

[(1, 20123803518), (2, 10061901759), (3, 6707934506), (6, 3353967253), (7, 2874829074), (13, 1547984886), (14, 1437414537), (21, 958276358), (26, 773992443), (39, 515994962), (42, 479138179), (53, 379694406), (78, 257997481), (91, 221140698), (106, 189847203), (159, 126564802), (182, 110570349), (273, 73713566), (318, 63282401), (371, 54242058), (546, 36856783), (689, 29207262), (742, 27121029), (1113, 18080686), (1378, 14603631), (2067, 9735754), (2226, 9040343), (4134, 4867877), (4823, 4172466), (9646, 2086233), (14469, 1390822), (28938, 695411)]