20029380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{463}}^1$

素因数の和:585

約数の個数: 96

約数和(自身を含む): 64856064

約数和(自身を除く): 44826684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 103, 105, 140, 206, 210, 309, 412, 420, 463, 515, 618, 721, 926, 1030, 1236, 1389, 1442, 1545, 1852, 2060, 2163, 2315, 2778, 2884, 3090, 3241, 3605, 4326, 4630, 5556, 6180, 6482, 6945, 7210, 8652, 9260, 9723, 10815, 12964, 13890, 14420, 16205, 19446, 21630, 27780, 32410, 38892, 43260, 47689, 48615, 64820, 95378, 97230, 143067, 190756, 194460, 238445, 286134, 333823, 476890, 572268, 667646, 715335, 953780, 1001469, 1335292, 1430670, 1669115, 2002938, 2861340, 3338230, 4005876, 5007345, 6676460, 10014690, 20029380]

約数ペア:

[(1, 20029380), (2, 10014690), (3, 6676460), (4, 5007345), (5, 4005876), (6, 3338230), (7, 2861340), (10, 2002938), (12, 1669115), (14, 1430670), (15, 1335292), (20, 1001469), (21, 953780), (28, 715335), (30, 667646), (35, 572268), (42, 476890), (60, 333823), (70, 286134), (84, 238445), (103, 194460), (105, 190756), (140, 143067), (206, 97230), (210, 95378), (309, 64820), (412, 48615), (420, 47689), (463, 43260), (515, 38892), (618, 32410), (721, 27780), (926, 21630), (1030, 19446), (1236, 16205), (1389, 14420), (1442, 13890), (1545, 12964), (1852, 10815), (2060, 9723), (2163, 9260), (2315, 8652), (2778, 7210), (2884, 6945), (3090, 6482), (3241, 6180), (3605, 5556), (4326, 4630)]