20001150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{263}}^1$

素因数の和:307

約数の個数: 108

約数和(自身を含む): 58409208

約数和(自身を除く): 38408058

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 169, 195, 225, 234, 263, 325, 338, 390, 450, 507, 526, 585, 650, 789, 845, 975, 1014, 1170, 1315, 1521, 1578, 1690, 1950, 2367, 2535, 2630, 2925, 3042, 3419, 3945, 4225, 4734, 5070, 5850, 6575, 6838, 7605, 7890, 8450, 10257, 11835, 12675, 13150, 15210, 17095, 19725, 20514, 23670, 25350, 30771, 34190, 38025, 39450, 44447, 51285, 59175, 61542, 76050, 85475, 88894, 102570, 118350, 133341, 153855, 170950, 222235, 256425, 266682, 307710, 400023, 444470, 512850, 666705, 769275, 800046, 1111175, 1333410, 1538550, 2000115, 2222350, 3333525, 4000230, 6667050, 10000575, 20001150]

約数ペア:

[(1, 20001150), (2, 10000575), (3, 6667050), (5, 4000230), (6, 3333525), (9, 2222350), (10, 2000115), (13, 1538550), (15, 1333410), (18, 1111175), (25, 800046), (26, 769275), (30, 666705), (39, 512850), (45, 444470), (50, 400023), (65, 307710), (75, 266682), (78, 256425), (90, 222235), (117, 170950), (130, 153855), (150, 133341), (169, 118350), (195, 102570), (225, 88894), (234, 85475), (263, 76050), (325, 61542), (338, 59175), (390, 51285), (450, 44447), (507, 39450), (526, 38025), (585, 34190), (650, 30771), (789, 25350), (845, 23670), (975, 20514), (1014, 19725), (1170, 17095), (1315, 15210), (1521, 13150), (1578, 12675), (1690, 11835), (1950, 10257), (2367, 8450), (2535, 7890), (2630, 7605), (2925, 6838), (3042, 6575), (3419, 5850), (3945, 5070), (4225, 4734)]