20153250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{53}}^1$

素因数の和:102

約数の個数: 144

約数和(自身を含む): 60122088

約数和(自身を除く): 39968838

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 53, 65, 75, 78, 90, 106, 117, 125, 130, 150, 159, 169, 195, 225, 234, 250, 265, 318, 325, 338, 375, 390, 450, 477, 507, 530, 585, 650, 689, 750, 795, 845, 954, 975, 1014, 1125, 1170, 1325, 1378, 1521, 1590, 1625, 1690, 1950, 2067, 2250, 2385, 2535, 2650, 2925, 3042, 3250, 3445, 3975, 4134, 4225, 4770, 4875, 5070, 5850, 6201, 6625, 6890, 7605, 7950, 8450, 8957, 9750, 10335, 11925, 12402, 12675, 13250, 14625, 15210, 17225, 17914, 19875, 20670, 21125, 23850, 25350, 26871, 29250, 31005, 34450, 38025, 39750, 42250, 44785, 51675, 53742, 59625, 62010, 63375, 76050, 80613, 86125, 89570, 103350, 119250, 126750, 134355, 155025, 161226, 172250, 190125, 223925, 258375, 268710, 310050, 380250, 403065, 447850, 516750, 671775, 775125, 806130, 1119625, 1343550, 1550250, 2015325, 2239250, 3358875, 4030650, 6717750, 10076625, 20153250]

約数ペア:

[(1, 20153250), (2, 10076625), (3, 6717750), (5, 4030650), (6, 3358875), (9, 2239250), (10, 2015325), (13, 1550250), (15, 1343550), (18, 1119625), (25, 806130), (26, 775125), (30, 671775), (39, 516750), (45, 447850), (50, 403065), (53, 380250), (65, 310050), (75, 268710), (78, 258375), (90, 223925), (106, 190125), (117, 172250), (125, 161226), (130, 155025), (150, 134355), (159, 126750), (169, 119250), (195, 103350), (225, 89570), (234, 86125), (250, 80613), (265, 76050), (318, 63375), (325, 62010), (338, 59625), (375, 53742), (390, 51675), (450, 44785), (477, 42250), (507, 39750), (530, 38025), (585, 34450), (650, 31005), (689, 29250), (750, 26871), (795, 25350), (845, 23850), (954, 21125), (975, 20670), (1014, 19875), (1125, 17914), (1170, 17225), (1325, 15210), (1378, 14625), (1521, 13250), (1590, 12675), (1625, 12402), (1690, 11925), (1950, 10335), (2067, 9750), (2250, 8957), (2385, 8450), (2535, 7950), (2650, 7605), (2925, 6890), (3042, 6625), (3250, 6201), (3445, 5850), (3975, 5070), (4134, 4875), (4225, 4770)]