20170992920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{4357}}^1$

素因数の和:4717

約数の個数: 128

約数和(自身を含む): 50737579200

約数和(自身を除く): 30566586280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 307, 377, 520, 580, 614, 754, 1160, 1228, 1508, 1535, 1885, 2456, 3016, 3070, 3770, 3991, 4357, 6140, 7540, 7982, 8714, 8903, 12280, 15080, 15964, 17428, 17806, 19955, 21785, 31928, 34856, 35612, 39910, 43570, 44515, 56641, 71224, 79820, 87140, 89030, 113282, 115739, 126353, 159640, 174280, 178060, 226564, 231478, 252706, 283205, 356120, 453128, 462956, 505412, 566410, 578695, 631765, 925912, 1010824, 1132820, 1157390, 1263530, 1337599, 1642589, 2265640, 2314780, 2527060, 2675198, 3285178, 4629560, 5054120, 5350396, 6570356, 6687995, 8212945, 10700792, 13140712, 13375990, 16425890, 17388787, 26751980, 32851780, 34777574, 38790371, 53503960, 65703560, 69555148, 77580742, 86943935, 139110296, 155161484, 173887870, 193951855, 310322968, 347775740, 387903710, 504274823, 695551480, 775807420, 1008549646, 1551614840, 2017099292, 2521374115, 4034198584, 5042748230, 10085496460, 20170992920]

約数ペア:

[(1, 20170992920), (2, 10085496460), (4, 5042748230), (5, 4034198584), (8, 2521374115), (10, 2017099292), (13, 1551614840), (20, 1008549646), (26, 775807420), (29, 695551480), (40, 504274823), (52, 387903710), (58, 347775740), (65, 310322968), (104, 193951855), (116, 173887870), (130, 155161484), (145, 139110296), (232, 86943935), (260, 77580742), (290, 69555148), (307, 65703560), (377, 53503960), (520, 38790371), (580, 34777574), (614, 32851780), (754, 26751980), (1160, 17388787), (1228, 16425890), (1508, 13375990), (1535, 13140712), (1885, 10700792), (2456, 8212945), (3016, 6687995), (3070, 6570356), (3770, 5350396), (3991, 5054120), (4357, 4629560), (6140, 3285178), (7540, 2675198), (7982, 2527060), (8714, 2314780), (8903, 2265640), (12280, 1642589), (15080, 1337599), (15964, 1263530), (17428, 1157390), (17806, 1132820), (19955, 1010824), (21785, 925912), (31928, 631765), (34856, 578695), (35612, 566410), (39910, 505412), (43570, 462956), (44515, 453128), (56641, 356120), (71224, 283205), (79820, 252706), (87140, 231478), (89030, 226564), (113282, 178060), (115739, 174280), (126353, 159640)]