20217708

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:636

約数の個数: 96

約数和(自身を含む): 61286400

約数和(自身を除く): 41068692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 47, 54, 63, 84, 94, 108, 126, 141, 188, 189, 252, 282, 329, 378, 423, 564, 569, 658, 756, 846, 987, 1138, 1269, 1316, 1692, 1707, 1974, 2276, 2538, 2961, 3414, 3948, 3983, 5076, 5121, 5922, 6828, 7966, 8883, 10242, 11844, 11949, 15363, 15932, 17766, 20484, 23898, 26743, 30726, 35532, 35847, 47796, 53486, 61452, 71694, 80229, 106972, 107541, 143388, 160458, 187201, 215082, 240687, 320916, 374402, 430164, 481374, 561603, 722061, 748804, 962748, 1123206, 1444122, 1684809, 2246412, 2888244, 3369618, 5054427, 6739236, 10108854, 20217708]

約数ペア:

[(1, 20217708), (2, 10108854), (3, 6739236), (4, 5054427), (6, 3369618), (7, 2888244), (9, 2246412), (12, 1684809), (14, 1444122), (18, 1123206), (21, 962748), (27, 748804), (28, 722061), (36, 561603), (42, 481374), (47, 430164), (54, 374402), (63, 320916), (84, 240687), (94, 215082), (108, 187201), (126, 160458), (141, 143388), (188, 107541), (189, 106972), (252, 80229), (282, 71694), (329, 61452), (378, 53486), (423, 47796), (564, 35847), (569, 35532), (658, 30726), (756, 26743), (846, 23898), (987, 20484), (1138, 17766), (1269, 15932), (1316, 15363), (1692, 11949), (1707, 11844), (1974, 10242), (2276, 8883), (2538, 7966), (2961, 6828), (3414, 5922), (3948, 5121), (3983, 5076)]