20818821000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{1693}}^1\times {\mathrm{4099}}^1$

素因数の和:5816

約数の個数: 128

約数和(自身を含む): 65008944000

約数和(自身を除く): 44190123000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 1693, 3000, 3386, 4099, 5079, 6772, 8198, 8465, 10158, 12297, 13544, 16396, 16930, 20316, 20495, 24594, 25395, 32792, 33860, 40632, 40990, 42325, 49188, 50790, 61485, 67720, 81980, 84650, 98376, 101580, 102475, 122970, 126975, 163960, 169300, 203160, 204950, 211625, 245940, 253950, 307425, 338600, 409900, 423250, 491880, 507900, 512375, 614850, 634875, 819800, 846500, 1015800, 1024750, 1229700, 1269750, 1537125, 1693000, 2049500, 2459400, 2539500, 3074250, 4099000, 5079000, 6148500, 6939607, 12297000, 13879214, 20818821, 27758428, 34698035, 41637642, 55516856, 69396070, 83275284, 104094105, 138792140, 166550568, 173490175, 208188210, 277584280, 346980350, 416376420, 520470525, 693960700, 832752840, 867450875, 1040941050, 1387921400, 1734901750, 2081882100, 2602352625, 3469803500, 4163764200, 5204705250, 6939607000, 10409410500, 20818821000]

約数ペア:

[(1, 20818821000), (2, 10409410500), (3, 6939607000), (4, 5204705250), (5, 4163764200), (6, 3469803500), (8, 2602352625), (10, 2081882100), (12, 1734901750), (15, 1387921400), (20, 1040941050), (24, 867450875), (25, 832752840), (30, 693960700), (40, 520470525), (50, 416376420), (60, 346980350), (75, 277584280), (100, 208188210), (120, 173490175), (125, 166550568), (150, 138792140), (200, 104094105), (250, 83275284), (300, 69396070), (375, 55516856), (500, 41637642), (600, 34698035), (750, 27758428), (1000, 20818821), (1500, 13879214), (1693, 12297000), (3000, 6939607), (3386, 6148500), (4099, 5079000), (5079, 4099000), (6772, 3074250), (8198, 2539500), (8465, 2459400), (10158, 2049500), (12297, 1693000), (13544, 1537125), (16396, 1269750), (16930, 1229700), (20316, 1024750), (20495, 1015800), (24594, 846500), (25395, 819800), (32792, 634875), (33860, 614850), (40632, 512375), (40990, 507900), (42325, 491880), (49188, 423250), (50790, 409900), (61485, 338600), (67720, 307425), (81980, 253950), (84650, 245940), (98376, 211625), (101580, 204950), (102475, 203160), (122970, 169300), (126975, 163960)]