20862816

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 60046560

約数和(自身を除く): 39183744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 73, 78, 96, 104, 146, 156, 208, 219, 229, 292, 312, 416, 438, 458, 584, 624, 687, 876, 916, 949, 1168, 1248, 1374, 1752, 1832, 1898, 2336, 2748, 2847, 2977, 3504, 3664, 3796, 5496, 5694, 5954, 7008, 7328, 7592, 8931, 10992, 11388, 11908, 15184, 16717, 17862, 21984, 22776, 23816, 30368, 33434, 35724, 45552, 47632, 50151, 66868, 71448, 91104, 95264, 100302, 133736, 142896, 200604, 217321, 267472, 285792, 401208, 434642, 534944, 651963, 802416, 869284, 1303926, 1604832, 1738568, 2607852, 3477136, 5215704, 6954272, 10431408, 20862816]

約数ペア:

[(1, 20862816), (2, 10431408), (3, 6954272), (4, 5215704), (6, 3477136), (8, 2607852), (12, 1738568), (13, 1604832), (16, 1303926), (24, 869284), (26, 802416), (32, 651963), (39, 534944), (48, 434642), (52, 401208), (73, 285792), (78, 267472), (96, 217321), (104, 200604), (146, 142896), (156, 133736), (208, 100302), (219, 95264), (229, 91104), (292, 71448), (312, 66868), (416, 50151), (438, 47632), (458, 45552), (584, 35724), (624, 33434), (687, 30368), (876, 23816), (916, 22776), (949, 21984), (1168, 17862), (1248, 16717), (1374, 15184), (1752, 11908), (1832, 11388), (1898, 10992), (2336, 8931), (2748, 7592), (2847, 7328), (2977, 7008), (3504, 5954), (3664, 5694), (3796, 5496)]