20104243390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2549}}^1\times {\mathrm{10243}}^1$

素因数の和:12817

約数の個数: 64

約数和(自身を含む): 45139161600

約数和(自身を除く): 25034918210

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 2549, 5098, 10243, 12745, 17843, 20486, 25490, 28039, 35686, 51215, 56078, 71701, 89215, 102430, 112673, 140195, 143402, 178430, 196273, 225346, 280390, 358505, 392546, 563365, 717010, 788711, 981365, 1126730, 1577422, 1962730, 3943555, 7887110, 26109407, 52218814, 130547035, 182765849, 261094070, 287203477, 365531698, 574406954, 913829245, 1436017385, 1827658490, 2010424339, 2872034770, 4020848678, 10052121695, 20104243390]

約数ペア:

[(1, 20104243390), (2, 10052121695), (5, 4020848678), (7, 2872034770), (10, 2010424339), (11, 1827658490), (14, 1436017385), (22, 913829245), (35, 574406954), (55, 365531698), (70, 287203477), (77, 261094070), (110, 182765849), (154, 130547035), (385, 52218814), (770, 26109407), (2549, 7887110), (5098, 3943555), (10243, 1962730), (12745, 1577422), (17843, 1126730), (20486, 981365), (25490, 788711), (28039, 717010), (35686, 563365), (51215, 392546), (56078, 358505), (71701, 280390), (89215, 225346), (102430, 196273), (112673, 178430), (140195, 143402)]