20320920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1201}}^1$

素因数の和:1265

約数の個数: 96

約数和(自身を含む): 67504320

約数和(自身を除く): 47183400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 564, 705, 846, 940, 1128, 1201, 1410, 1692, 1880, 2115, 2402, 2820, 3384, 3603, 4230, 4804, 5640, 6005, 7206, 8460, 9608, 10809, 12010, 14412, 16920, 18015, 21618, 24020, 28824, 36030, 43236, 48040, 54045, 56447, 72060, 86472, 108090, 112894, 144120, 169341, 216180, 225788, 282235, 338682, 432360, 451576, 508023, 564470, 677364, 846705, 1016046, 1128940, 1354728, 1693410, 2032092, 2257880, 2540115, 3386820, 4064184, 5080230, 6773640, 10160460, 20320920]

約数ペア:

[(1, 20320920), (2, 10160460), (3, 6773640), (4, 5080230), (5, 4064184), (6, 3386820), (8, 2540115), (9, 2257880), (10, 2032092), (12, 1693410), (15, 1354728), (18, 1128940), (20, 1016046), (24, 846705), (30, 677364), (36, 564470), (40, 508023), (45, 451576), (47, 432360), (60, 338682), (72, 282235), (90, 225788), (94, 216180), (120, 169341), (141, 144120), (180, 112894), (188, 108090), (235, 86472), (282, 72060), (360, 56447), (376, 54045), (423, 48040), (470, 43236), (564, 36030), (705, 28824), (846, 24020), (940, 21618), (1128, 18015), (1201, 16920), (1410, 14412), (1692, 12010), (1880, 10809), (2115, 9608), (2402, 8460), (2820, 7206), (3384, 6005), (3603, 5640), (4230, 4804)]