20186650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{127}}^1$

素因数の和:184

約数の個数: 72

約数和(自身を含む): 43854336

約数和(自身を除く): 23667686

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 127, 170, 187, 254, 275, 289, 374, 425, 550, 578, 635, 850, 935, 1270, 1397, 1445, 1870, 2159, 2794, 2890, 3175, 3179, 4318, 4675, 6350, 6358, 6985, 7225, 9350, 10795, 13970, 14450, 15895, 21590, 23749, 31790, 34925, 36703, 47498, 53975, 69850, 73406, 79475, 107950, 118745, 158950, 183515, 237490, 367030, 403733, 593725, 807466, 917575, 1187450, 1835150, 2018665, 4037330, 10093325, 20186650]

約数ペア:

[(1, 20186650), (2, 10093325), (5, 4037330), (10, 2018665), (11, 1835150), (17, 1187450), (22, 917575), (25, 807466), (34, 593725), (50, 403733), (55, 367030), (85, 237490), (110, 183515), (127, 158950), (170, 118745), (187, 107950), (254, 79475), (275, 73406), (289, 69850), (374, 53975), (425, 47498), (550, 36703), (578, 34925), (635, 31790), (850, 23749), (935, 21590), (1270, 15895), (1397, 14450), (1445, 13970), (1870, 10795), (2159, 9350), (2794, 7225), (2890, 6985), (3175, 6358), (3179, 6350), (4318, 4675)]