20036520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7951}}^1$

素因数の和:7975

約数の個数: 96

約数和(自身を含む): 74430720

約数和(自身を除く): 54394200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7951, 15902, 23853, 31804, 39755, 47706, 55657, 63608, 71559, 79510, 95412, 111314, 119265, 143118, 159020, 166971, 190824, 222628, 238530, 278285, 286236, 318040, 333942, 357795, 445256, 477060, 500913, 556570, 572472, 667884, 715590, 834855, 954120, 1001826, 1113140, 1335768, 1431180, 1669710, 2003652, 2226280, 2504565, 2862360, 3339420, 4007304, 5009130, 6678840, 10018260, 20036520]

約数ペア:

[(1, 20036520), (2, 10018260), (3, 6678840), (4, 5009130), (5, 4007304), (6, 3339420), (7, 2862360), (8, 2504565), (9, 2226280), (10, 2003652), (12, 1669710), (14, 1431180), (15, 1335768), (18, 1113140), (20, 1001826), (21, 954120), (24, 834855), (28, 715590), (30, 667884), (35, 572472), (36, 556570), (40, 500913), (42, 477060), (45, 445256), (56, 357795), (60, 333942), (63, 318040), (70, 286236), (72, 278285), (84, 238530), (90, 222628), (105, 190824), (120, 166971), (126, 159020), (140, 143118), (168, 119265), (180, 111314), (210, 95412), (252, 79510), (280, 71559), (315, 63608), (360, 55657), (420, 47706), (504, 39755), (630, 31804), (840, 23853), (1260, 15902), (2520, 7951)]