20320493606

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{10243}}^1$

素因数の和:10437

約数の個数: 64

約数和(自身を含む): 37315040256

約数和(自身を除く): 16994546650

約数列:

[1, 2, 7, 14, 23, 46, 61, 101, 122, 161, 202, 322, 427, 707, 854, 1403, 1414, 2323, 2806, 4646, 6161, 9821, 10243, 12322, 16261, 19642, 20486, 32522, 43127, 71701, 86254, 141703, 143402, 235589, 283406, 471178, 624823, 991921, 1034543, 1249646, 1649123, 1983842, 2069086, 3298246, 4373761, 7241801, 8747522, 14370929, 14483602, 23794489, 28741858, 47588978, 63107123, 100596503, 126214246, 166561423, 201193006, 333122846, 441749861, 883499722, 1451463829, 2902927658, 10160246803, 20320493606]

約数ペア:

[(1, 20320493606), (2, 10160246803), (7, 2902927658), (14, 1451463829), (23, 883499722), (46, 441749861), (61, 333122846), (101, 201193006), (122, 166561423), (161, 126214246), (202, 100596503), (322, 63107123), (427, 47588978), (707, 28741858), (854, 23794489), (1403, 14483602), (1414, 14370929), (2323, 8747522), (2806, 7241801), (4646, 4373761), (6161, 3298246), (9821, 2069086), (10243, 1983842), (12322, 1649123), (16261, 1249646), (19642, 1034543), (20486, 991921), (32522, 624823), (43127, 471178), (71701, 283406), (86254, 235589), (141703, 143402)]