20943468

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2164

約数の個数: 96

約数和(自身を含む): 66859520

約数和(自身を除く): 45916052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 156, 182, 189, 234, 252, 273, 351, 364, 378, 468, 546, 702, 756, 819, 1092, 1404, 1638, 2131, 2457, 3276, 4262, 4914, 6393, 8524, 9828, 12786, 14917, 19179, 25572, 27703, 29834, 38358, 44751, 55406, 57537, 59668, 76716, 83109, 89502, 110812, 115074, 134253, 166218, 179004, 193921, 230148, 249327, 268506, 332436, 387842, 402759, 498654, 537012, 581763, 747981, 775684, 805518, 997308, 1163526, 1495962, 1611036, 1745289, 2327052, 2991924, 3490578, 5235867, 6981156, 10471734, 20943468]

約数ペア:

[(1, 20943468), (2, 10471734), (3, 6981156), (4, 5235867), (6, 3490578), (7, 2991924), (9, 2327052), (12, 1745289), (13, 1611036), (14, 1495962), (18, 1163526), (21, 997308), (26, 805518), (27, 775684), (28, 747981), (36, 581763), (39, 537012), (42, 498654), (52, 402759), (54, 387842), (63, 332436), (78, 268506), (84, 249327), (91, 230148), (108, 193921), (117, 179004), (126, 166218), (156, 134253), (182, 115074), (189, 110812), (234, 89502), (252, 83109), (273, 76716), (351, 59668), (364, 57537), (378, 55406), (468, 44751), (546, 38358), (702, 29834), (756, 27703), (819, 25572), (1092, 19179), (1404, 14917), (1638, 12786), (2131, 9828), (2457, 8524), (3276, 6393), (4262, 4914)]