20614950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:830

約数の個数: 72

約数和(自身を含む): 56368416

約数和(自身を除く): 35753466

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 61, 75, 90, 122, 150, 183, 225, 305, 366, 450, 549, 610, 751, 915, 1098, 1502, 1525, 1830, 2253, 2745, 3050, 3755, 4506, 4575, 5490, 6759, 7510, 9150, 11265, 13518, 13725, 18775, 22530, 27450, 33795, 37550, 45811, 56325, 67590, 91622, 112650, 137433, 168975, 229055, 274866, 337950, 412299, 458110, 687165, 824598, 1145275, 1374330, 2061495, 2290550, 3435825, 4122990, 6871650, 10307475, 20614950]

約数ペア:

[(1, 20614950), (2, 10307475), (3, 6871650), (5, 4122990), (6, 3435825), (9, 2290550), (10, 2061495), (15, 1374330), (18, 1145275), (25, 824598), (30, 687165), (45, 458110), (50, 412299), (61, 337950), (75, 274866), (90, 229055), (122, 168975), (150, 137433), (183, 112650), (225, 91622), (305, 67590), (366, 56325), (450, 45811), (549, 37550), (610, 33795), (751, 27450), (915, 22530), (1098, 18775), (1502, 13725), (1525, 13518), (1830, 11265), (2253, 9150), (2745, 7510), (3050, 6759), (3755, 5490), (4506, 4575)]