20321796770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1123}}^1\times {\mathrm{9677}}^1$

素因数の和:10835

約数の個数: 64

約数和(自身を含む): 42293943936

約数和(自身を除く): 21972147166

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1123, 1870, 2246, 5615, 9677, 11230, 12353, 19091, 19354, 24706, 38182, 48385, 61765, 95455, 96770, 106447, 123530, 164509, 190910, 210001, 212894, 329018, 420002, 532235, 822545, 1050005, 1064470, 1645090, 1809599, 2100010, 3619198, 9047995, 10867271, 18095990, 21734542, 54336355, 108672710, 119539981, 184743607, 239079962, 369487214, 597699905, 923718035, 1195399810, 1847436070, 2032179677, 4064359354, 10160898385, 20321796770]

約数ペア:

[(1, 20321796770), (2, 10160898385), (5, 4064359354), (10, 2032179677), (11, 1847436070), (17, 1195399810), (22, 923718035), (34, 597699905), (55, 369487214), (85, 239079962), (110, 184743607), (170, 119539981), (187, 108672710), (374, 54336355), (935, 21734542), (1123, 18095990), (1870, 10867271), (2246, 9047995), (5615, 3619198), (9677, 2100010), (11230, 1809599), (12353, 1645090), (19091, 1064470), (19354, 1050005), (24706, 822545), (38182, 532235), (48385, 420002), (61765, 329018), (95455, 212894), (96770, 210001), (106447, 190910), (123530, 164509)]