20147207620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1\times {\mathrm{1747}}^1$

素因数の和:2197

約数の個数: 96

約数和(自身を含む): 45385183872

約数和(自身を除く): 25237976252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 317, 340, 428, 535, 634, 1070, 1268, 1585, 1747, 1819, 2140, 3170, 3494, 3638, 5389, 6340, 6988, 7276, 8735, 9095, 10778, 17470, 18190, 21556, 26945, 29699, 33919, 34940, 36380, 53890, 59398, 67838, 107780, 118796, 135676, 148495, 169595, 186929, 296990, 339190, 373858, 553799, 576623, 593980, 678380, 747716, 934645, 1107598, 1153246, 1869290, 2215196, 2306492, 2768995, 2883115, 3177793, 3738580, 5537990, 5766230, 6355586, 9414583, 11075980, 11532460, 12711172, 15888965, 18829166, 31777930, 37658332, 47072915, 59256493, 63555860, 94145830, 118512986, 188291660, 237025972, 296282465, 592564930, 1007360381, 1185129860, 2014720762, 4029441524, 5036801905, 10073603810, 20147207620]

約数ペア:

[(1, 20147207620), (2, 10073603810), (4, 5036801905), (5, 4029441524), (10, 2014720762), (17, 1185129860), (20, 1007360381), (34, 592564930), (68, 296282465), (85, 237025972), (107, 188291660), (170, 118512986), (214, 94145830), (317, 63555860), (340, 59256493), (428, 47072915), (535, 37658332), (634, 31777930), (1070, 18829166), (1268, 15888965), (1585, 12711172), (1747, 11532460), (1819, 11075980), (2140, 9414583), (3170, 6355586), (3494, 5766230), (3638, 5537990), (5389, 3738580), (6340, 3177793), (6988, 2883115), (7276, 2768995), (8735, 2306492), (9095, 2215196), (10778, 1869290), (17470, 1153246), (18190, 1107598), (21556, 934645), (26945, 747716), (29699, 678380), (33919, 593980), (34940, 576623), (36380, 553799), (53890, 373858), (59398, 339190), (67838, 296990), (107780, 186929), (118796, 169595), (135676, 148495)]