20407050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:568

約数の個数: 72

約数和(自身を含む): 55493100

約数和(自身を除く): 35086050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 101, 150, 202, 225, 303, 449, 450, 505, 606, 898, 909, 1010, 1347, 1515, 1818, 2245, 2525, 2694, 3030, 4041, 4490, 4545, 5050, 6735, 7575, 8082, 9090, 11225, 13470, 15150, 20205, 22450, 22725, 33675, 40410, 45349, 45450, 67350, 90698, 101025, 136047, 202050, 226745, 272094, 408141, 453490, 680235, 816282, 1133725, 1360470, 2040705, 2267450, 3401175, 4081410, 6802350, 10203525, 20407050]

約数ペア:

[(1, 20407050), (2, 10203525), (3, 6802350), (5, 4081410), (6, 3401175), (9, 2267450), (10, 2040705), (15, 1360470), (18, 1133725), (25, 816282), (30, 680235), (45, 453490), (50, 408141), (75, 272094), (90, 226745), (101, 202050), (150, 136047), (202, 101025), (225, 90698), (303, 67350), (449, 45450), (450, 45349), (505, 40410), (606, 33675), (898, 22725), (909, 22450), (1010, 20205), (1347, 15150), (1515, 13470), (1818, 11225), (2245, 9090), (2525, 8082), (2694, 7575), (3030, 6735), (4041, 5050), (4490, 4545)]