20104500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1031}}^1$

素因数の和:1066

約数の個数: 96

約数和(自身を含む): 63108864

約数和(自身を除く): 43004364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 195, 250, 260, 300, 325, 375, 390, 500, 650, 750, 780, 975, 1031, 1300, 1500, 1625, 1950, 2062, 3093, 3250, 3900, 4124, 4875, 5155, 6186, 6500, 9750, 10310, 12372, 13403, 15465, 19500, 20620, 25775, 26806, 30930, 40209, 51550, 53612, 61860, 67015, 77325, 80418, 103100, 128875, 134030, 154650, 160836, 201045, 257750, 268060, 309300, 335075, 386625, 402090, 515500, 670150, 773250, 804180, 1005225, 1340300, 1546500, 1675375, 2010450, 3350750, 4020900, 5026125, 6701500, 10052250, 20104500]

約数ペア:

[(1, 20104500), (2, 10052250), (3, 6701500), (4, 5026125), (5, 4020900), (6, 3350750), (10, 2010450), (12, 1675375), (13, 1546500), (15, 1340300), (20, 1005225), (25, 804180), (26, 773250), (30, 670150), (39, 515500), (50, 402090), (52, 386625), (60, 335075), (65, 309300), (75, 268060), (78, 257750), (100, 201045), (125, 160836), (130, 154650), (150, 134030), (156, 128875), (195, 103100), (250, 80418), (260, 77325), (300, 67015), (325, 61860), (375, 53612), (390, 51550), (500, 40209), (650, 30930), (750, 26806), (780, 25775), (975, 20620), (1031, 19500), (1300, 15465), (1500, 13403), (1625, 12372), (1950, 10310), (2062, 9750), (3093, 6500), (3250, 6186), (3900, 5155), (4124, 4875)]