20860989996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2052439}}^1$

素因数の和:2052475

約数の個数: 72

約数和(自身を含む): 61146292480

約数和(自身を除く): 40285302484

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 2541, 3388, 5082, 10164, 2052439, 4104878, 6157317, 8209756, 12314634, 14367073, 22576829, 24629268, 28734146, 43101219, 45153658, 57468292, 67730487, 86202438, 90307316, 135460974, 158037803, 172404876, 248345119, 270921948, 316075606, 474113409, 496690238, 632151212, 745035357, 948226818, 993380476, 1490070714, 1738415833, 1896453636, 2980141428, 3476831666, 5215247499, 6953663332, 10430494998, 20860989996]

約数ペア:

[(1, 20860989996), (2, 10430494998), (3, 6953663332), (4, 5215247499), (6, 3476831666), (7, 2980141428), (11, 1896453636), (12, 1738415833), (14, 1490070714), (21, 993380476), (22, 948226818), (28, 745035357), (33, 632151212), (42, 496690238), (44, 474113409), (66, 316075606), (77, 270921948), (84, 248345119), (121, 172404876), (132, 158037803), (154, 135460974), (231, 90307316), (242, 86202438), (308, 67730487), (363, 57468292), (462, 45153658), (484, 43101219), (726, 28734146), (847, 24629268), (924, 22576829), (1452, 14367073), (1694, 12314634), (2541, 8209756), (3388, 6157317), (5082, 4104878), (10164, 2052439)]