20436750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 57238272

約数和(自身を除く): 36801522

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 125, 150, 155, 186, 225, 250, 279, 293, 310, 375, 450, 465, 558, 586, 750, 775, 879, 930, 1125, 1395, 1465, 1550, 1758, 2250, 2325, 2637, 2790, 2930, 3875, 4395, 4650, 5274, 6975, 7325, 7750, 8790, 9083, 11625, 13185, 13950, 14650, 18166, 21975, 23250, 26370, 27249, 34875, 36625, 43950, 45415, 54498, 65925, 69750, 73250, 81747, 90830, 109875, 131850, 136245, 163494, 219750, 227075, 272490, 329625, 408735, 454150, 659250, 681225, 817470, 1135375, 1362450, 2043675, 2270750, 3406125, 4087350, 6812250, 10218375, 20436750]

約数ペア:

[(1, 20436750), (2, 10218375), (3, 6812250), (5, 4087350), (6, 3406125), (9, 2270750), (10, 2043675), (15, 1362450), (18, 1135375), (25, 817470), (30, 681225), (31, 659250), (45, 454150), (50, 408735), (62, 329625), (75, 272490), (90, 227075), (93, 219750), (125, 163494), (150, 136245), (155, 131850), (186, 109875), (225, 90830), (250, 81747), (279, 73250), (293, 69750), (310, 65925), (375, 54498), (450, 45415), (465, 43950), (558, 36625), (586, 34875), (750, 27249), (775, 26370), (879, 23250), (930, 21975), (1125, 18166), (1395, 14650), (1465, 13950), (1550, 13185), (1758, 11625), (2250, 9083), (2325, 8790), (2637, 7750), (2790, 7325), (2930, 6975), (3875, 5274), (4395, 4650)]