20187599770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{743}}^1\times {\mathrm{7207}}^1$

素因数の和:7999

約数の個数: 64

約数和(自身を含む): 40542405120

約数和(自身を除く): 20354805350

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 743, 754, 1486, 1885, 3715, 3770, 7207, 7430, 9659, 14414, 19318, 21547, 36035, 43094, 48295, 72070, 93691, 96590, 107735, 187382, 209003, 215470, 280111, 418006, 468455, 560222, 936910, 1045015, 1400555, 2090030, 2717039, 2801110, 5354801, 5434078, 10709602, 13585195, 26774005, 27170390, 53548010, 69612413, 139224826, 155289229, 310578458, 348062065, 696124130, 776446145, 1552892290, 2018759977, 4037519954, 10093799885, 20187599770]

約数ペア:

[(1, 20187599770), (2, 10093799885), (5, 4037519954), (10, 2018759977), (13, 1552892290), (26, 776446145), (29, 696124130), (58, 348062065), (65, 310578458), (130, 155289229), (145, 139224826), (290, 69612413), (377, 53548010), (743, 27170390), (754, 26774005), (1486, 13585195), (1885, 10709602), (3715, 5434078), (3770, 5354801), (7207, 2801110), (7430, 2717039), (9659, 2090030), (14414, 1400555), (19318, 1045015), (21547, 936910), (36035, 560222), (43094, 468455), (48295, 418006), (72070, 280111), (93691, 215470), (96590, 209003), (107735, 187382)]