20156335785

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{823}}^1\times {\mathrm{4219}}^1$

素因数の和:5099

約数の個数: 64

約数和(自身を含む): 36720076800

約数和(自身を除く): 16563741015

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 823, 1161, 1935, 2469, 4115, 4219, 5805, 7407, 12345, 12657, 21095, 22221, 35389, 37035, 37971, 63285, 106167, 111105, 113913, 176945, 181417, 189855, 318501, 530835, 544251, 569565, 907085, 955503, 1592505, 1632753, 2721255, 3472237, 4777515, 4898259, 8163765, 10416711, 17361185, 24491295, 31250133, 52083555, 93750399, 149306191, 156250665, 447918573, 468751995, 746530955, 1343755719, 2239592865, 4031267157, 6718778595, 20156335785]

約数ペア:

[(1, 20156335785), (3, 6718778595), (5, 4031267157), (9, 2239592865), (15, 1343755719), (27, 746530955), (43, 468751995), (45, 447918573), (129, 156250665), (135, 149306191), (215, 93750399), (387, 52083555), (645, 31250133), (823, 24491295), (1161, 17361185), (1935, 10416711), (2469, 8163765), (4115, 4898259), (4219, 4777515), (5805, 3472237), (7407, 2721255), (12345, 1632753), (12657, 1592505), (21095, 955503), (22221, 907085), (35389, 569565), (37035, 544251), (37971, 530835), (63285, 318501), (106167, 189855), (111105, 181417), (113913, 176945)]