20954856

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1429}}^1$

素因数の和:1498

約数の個数: 64

約数和(自身を含む): 57657600

約数和(自身を除く): 36702744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 47, 52, 78, 94, 104, 141, 156, 188, 282, 312, 376, 564, 611, 1128, 1222, 1429, 1833, 2444, 2858, 3666, 4287, 4888, 5716, 7332, 8574, 11432, 14664, 17148, 18577, 34296, 37154, 55731, 67163, 74308, 111462, 134326, 148616, 201489, 222924, 268652, 402978, 445848, 537304, 805956, 873119, 1611912, 1746238, 2619357, 3492476, 5238714, 6984952, 10477428, 20954856]

約数ペア:

[(1, 20954856), (2, 10477428), (3, 6984952), (4, 5238714), (6, 3492476), (8, 2619357), (12, 1746238), (13, 1611912), (24, 873119), (26, 805956), (39, 537304), (47, 445848), (52, 402978), (78, 268652), (94, 222924), (104, 201489), (141, 148616), (156, 134326), (188, 111462), (282, 74308), (312, 67163), (376, 55731), (564, 37154), (611, 34296), (1128, 18577), (1222, 17148), (1429, 14664), (1833, 11432), (2444, 8574), (2858, 7332), (3666, 5716), (4287, 4888)]