20565636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 60775680

約数和(自身を除く): 40210044

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 37, 39, 42, 52, 74, 78, 84, 91, 111, 148, 156, 182, 222, 259, 273, 364, 444, 481, 509, 518, 546, 777, 962, 1018, 1036, 1092, 1443, 1527, 1554, 1924, 2036, 2886, 3054, 3108, 3367, 3563, 5772, 6108, 6617, 6734, 7126, 10101, 10689, 13234, 13468, 14252, 18833, 19851, 20202, 21378, 26468, 37666, 39702, 40404, 42756, 46319, 56499, 75332, 79404, 92638, 112998, 131831, 138957, 185276, 225996, 244829, 263662, 277914, 395493, 489658, 527324, 555828, 734487, 790986, 979316, 1468974, 1581972, 1713803, 2937948, 3427606, 5141409, 6855212, 10282818, 20565636]

約数ペア:

[(1, 20565636), (2, 10282818), (3, 6855212), (4, 5141409), (6, 3427606), (7, 2937948), (12, 1713803), (13, 1581972), (14, 1468974), (21, 979316), (26, 790986), (28, 734487), (37, 555828), (39, 527324), (42, 489658), (52, 395493), (74, 277914), (78, 263662), (84, 244829), (91, 225996), (111, 185276), (148, 138957), (156, 131831), (182, 112998), (222, 92638), (259, 79404), (273, 75332), (364, 56499), (444, 46319), (481, 42756), (509, 40404), (518, 39702), (546, 37666), (777, 26468), (962, 21378), (1018, 20202), (1036, 19851), (1092, 18833), (1443, 14252), (1527, 13468), (1554, 13234), (1924, 10689), (2036, 10101), (2886, 7126), (3054, 6734), (3108, 6617), (3367, 6108), (3563, 5772)]