20218166838

素因数分解:

$2^1\times 3^4\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{38603}}^1$

素因数の和:38731

約数の個数: 80

約数和(自身を含む): 46916367696

約数和(自身を除く): 26698200858

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 61, 81, 106, 122, 159, 162, 183, 318, 366, 477, 549, 954, 1098, 1431, 1647, 2862, 3233, 3294, 4293, 4941, 6466, 8586, 9699, 9882, 19398, 29097, 38603, 58194, 77206, 87291, 115809, 174582, 231618, 261873, 347427, 523746, 694854, 1042281, 2045959, 2084562, 2354783, 3126843, 4091918, 4709566, 6137877, 6253686, 7064349, 12275754, 14128698, 18413631, 21193047, 36827262, 42386094, 55240893, 63579141, 110481786, 124803499, 127158282, 165722679, 190737423, 249606998, 331445358, 374410497, 381474846, 748820994, 1123231491, 2246462982, 3369694473, 6739388946, 10109083419, 20218166838]

約数ペア:

[(1, 20218166838), (2, 10109083419), (3, 6739388946), (6, 3369694473), (9, 2246462982), (18, 1123231491), (27, 748820994), (53, 381474846), (54, 374410497), (61, 331445358), (81, 249606998), (106, 190737423), (122, 165722679), (159, 127158282), (162, 124803499), (183, 110481786), (318, 63579141), (366, 55240893), (477, 42386094), (549, 36827262), (954, 21193047), (1098, 18413631), (1431, 14128698), (1647, 12275754), (2862, 7064349), (3233, 6253686), (3294, 6137877), (4293, 4709566), (4941, 4091918), (6466, 3126843), (8586, 2354783), (9699, 2084562), (9882, 2045959), (19398, 1042281), (29097, 694854), (38603, 523746), (58194, 347427), (77206, 261873), (87291, 231618), (115809, 174582)]