20206680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12953}}^1$

素因数の和:12980

約数の個数: 64

約数和(自身を含む): 65288160

約数和(自身を除く): 45081480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12953, 25906, 38859, 51812, 64765, 77718, 103624, 129530, 155436, 168389, 194295, 259060, 310872, 336778, 388590, 505167, 518120, 673556, 777180, 841945, 1010334, 1347112, 1554360, 1683890, 2020668, 2525835, 3367780, 4041336, 5051670, 6735560, 10103340, 20206680]

約数ペア:

[(1, 20206680), (2, 10103340), (3, 6735560), (4, 5051670), (5, 4041336), (6, 3367780), (8, 2525835), (10, 2020668), (12, 1683890), (13, 1554360), (15, 1347112), (20, 1010334), (24, 841945), (26, 777180), (30, 673556), (39, 518120), (40, 505167), (52, 388590), (60, 336778), (65, 310872), (78, 259060), (104, 194295), (120, 168389), (130, 155436), (156, 129530), (195, 103624), (260, 77718), (312, 64765), (390, 51812), (520, 38859), (780, 25906), (1560, 12953)]