20122650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:576

約数の個数: 72

約数和(自身を含む): 54738684

約数和(自身を除く): 34616034

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 97, 150, 194, 225, 291, 450, 461, 485, 582, 873, 922, 970, 1383, 1455, 1746, 2305, 2425, 2766, 2910, 4149, 4365, 4610, 4850, 6915, 7275, 8298, 8730, 11525, 13830, 14550, 20745, 21825, 23050, 34575, 41490, 43650, 44717, 69150, 89434, 103725, 134151, 207450, 223585, 268302, 402453, 447170, 670755, 804906, 1117925, 1341510, 2012265, 2235850, 3353775, 4024530, 6707550, 10061325, 20122650]

約数ペア:

[(1, 20122650), (2, 10061325), (3, 6707550), (5, 4024530), (6, 3353775), (9, 2235850), (10, 2012265), (15, 1341510), (18, 1117925), (25, 804906), (30, 670755), (45, 447170), (50, 402453), (75, 268302), (90, 223585), (97, 207450), (150, 134151), (194, 103725), (225, 89434), (291, 69150), (450, 44717), (461, 43650), (485, 41490), (582, 34575), (873, 23050), (922, 21825), (970, 20745), (1383, 14550), (1455, 13830), (1746, 11525), (2305, 8730), (2425, 8298), (2766, 7275), (2910, 6915), (4149, 4850), (4365, 4610)]