20443800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2621}}^1$

素因数の和:2653

約数の個数: 96

約数和(自身を含む): 68276880

約数和(自身を除く): 47833080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 2621, 3900, 5242, 7800, 7863, 10484, 13105, 15726, 20968, 26210, 31452, 34073, 39315, 52420, 62904, 65525, 68146, 78630, 102219, 104840, 131050, 136292, 157260, 170365, 196575, 204438, 262100, 272584, 314520, 340730, 393150, 408876, 511095, 524200, 681460, 786300, 817752, 851825, 1022190, 1362920, 1572600, 1703650, 2044380, 2555475, 3407300, 4088760, 5110950, 6814600, 10221900, 20443800]

約数ペア:

[(1, 20443800), (2, 10221900), (3, 6814600), (4, 5110950), (5, 4088760), (6, 3407300), (8, 2555475), (10, 2044380), (12, 1703650), (13, 1572600), (15, 1362920), (20, 1022190), (24, 851825), (25, 817752), (26, 786300), (30, 681460), (39, 524200), (40, 511095), (50, 408876), (52, 393150), (60, 340730), (65, 314520), (75, 272584), (78, 262100), (100, 204438), (104, 196575), (120, 170365), (130, 157260), (150, 136292), (156, 131050), (195, 104840), (200, 102219), (260, 78630), (300, 68146), (312, 65525), (325, 62904), (390, 52420), (520, 39315), (600, 34073), (650, 31452), (780, 26210), (975, 20968), (1300, 15726), (1560, 13105), (1950, 10484), (2600, 7863), (2621, 7800), (3900, 5242)]