20457000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{2273}}^1$

素因数の和:2300

約数の個数: 96

約数和(自身を含む): 69175080

約数和(自身を除く): 48718080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 750, 900, 1000, 1125, 1500, 1800, 2250, 2273, 3000, 4500, 4546, 6819, 9000, 9092, 11365, 13638, 18184, 20457, 22730, 27276, 34095, 40914, 45460, 54552, 56825, 68190, 81828, 90920, 102285, 113650, 136380, 163656, 170475, 204570, 227300, 272760, 284125, 340950, 409140, 454600, 511425, 568250, 681900, 818280, 852375, 1022850, 1136500, 1363800, 1704750, 2045700, 2273000, 2557125, 3409500, 4091400, 5114250, 6819000, 10228500, 20457000]

約数ペア:

[(1, 20457000), (2, 10228500), (3, 6819000), (4, 5114250), (5, 4091400), (6, 3409500), (8, 2557125), (9, 2273000), (10, 2045700), (12, 1704750), (15, 1363800), (18, 1136500), (20, 1022850), (24, 852375), (25, 818280), (30, 681900), (36, 568250), (40, 511425), (45, 454600), (50, 409140), (60, 340950), (72, 284125), (75, 272760), (90, 227300), (100, 204570), (120, 170475), (125, 163656), (150, 136380), (180, 113650), (200, 102285), (225, 90920), (250, 81828), (300, 68190), (360, 56825), (375, 54552), (450, 45460), (500, 40914), (600, 34095), (750, 27276), (900, 22730), (1000, 20457), (1125, 18184), (1500, 13638), (1800, 11365), (2250, 9092), (2273, 9000), (3000, 6819), (4500, 4546)]