20857535334

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^2\times {\mathrm{263}}^1\times {\mathrm{2621}}^1$

素因数の和:2974

約数の個数: 72

約数和(自身を含む): 46514300976

約数和(自身を除く): 25656765642

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 263, 369, 526, 738, 789, 1578, 1681, 2367, 2621, 3362, 4734, 5043, 5242, 7863, 10086, 10783, 15129, 15726, 21566, 23589, 30258, 32349, 47178, 64698, 97047, 107461, 194094, 214922, 322383, 442103, 644766, 689323, 884206, 967149, 1326309, 1378646, 1934298, 2067969, 2652618, 3978927, 4135938, 4405901, 6203907, 7957854, 8811802, 12407814, 13217703, 26435406, 28262243, 39653109, 56524486, 79306218, 84786729, 169573458, 254360187, 508720374, 1158751963, 2317503926, 3476255889, 6952511778, 10428767667, 20857535334]

約数ペア:

[(1, 20857535334), (2, 10428767667), (3, 6952511778), (6, 3476255889), (9, 2317503926), (18, 1158751963), (41, 508720374), (82, 254360187), (123, 169573458), (246, 84786729), (263, 79306218), (369, 56524486), (526, 39653109), (738, 28262243), (789, 26435406), (1578, 13217703), (1681, 12407814), (2367, 8811802), (2621, 7957854), (3362, 6203907), (4734, 4405901), (5043, 4135938), (5242, 3978927), (7863, 2652618), (10086, 2067969), (10783, 1934298), (15129, 1378646), (15726, 1326309), (21566, 967149), (23589, 884206), (30258, 689323), (32349, 644766), (47178, 442103), (64698, 322383), (97047, 214922), (107461, 194094)]