20198250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 56070144

約数和(自身を除く): 35871894

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 47, 50, 75, 90, 94, 125, 141, 150, 191, 225, 235, 250, 282, 375, 382, 423, 450, 470, 573, 705, 750, 846, 955, 1125, 1146, 1175, 1410, 1719, 1910, 2115, 2250, 2350, 2865, 3438, 3525, 4230, 4775, 5730, 5875, 7050, 8595, 8977, 9550, 10575, 11750, 14325, 17190, 17625, 17954, 21150, 23875, 26931, 28650, 35250, 42975, 44885, 47750, 52875, 53862, 71625, 80793, 85950, 89770, 105750, 134655, 143250, 161586, 214875, 224425, 269310, 403965, 429750, 448850, 673275, 807930, 1122125, 1346550, 2019825, 2244250, 3366375, 4039650, 6732750, 10099125, 20198250]

約数ペア:

[(1, 20198250), (2, 10099125), (3, 6732750), (5, 4039650), (6, 3366375), (9, 2244250), (10, 2019825), (15, 1346550), (18, 1122125), (25, 807930), (30, 673275), (45, 448850), (47, 429750), (50, 403965), (75, 269310), (90, 224425), (94, 214875), (125, 161586), (141, 143250), (150, 134655), (191, 105750), (225, 89770), (235, 85950), (250, 80793), (282, 71625), (375, 53862), (382, 52875), (423, 47750), (450, 44885), (470, 42975), (573, 35250), (705, 28650), (750, 26931), (846, 23875), (955, 21150), (1125, 17954), (1146, 17625), (1175, 17190), (1410, 14325), (1719, 11750), (1910, 10575), (2115, 9550), (2250, 8977), (2350, 8595), (2865, 7050), (3438, 5875), (3525, 5730), (4230, 4775)]