20643768

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{3083}}^1$

素因数の和:3129

約数の個数: 64

約数和(自身を含む): 59212800

約数和(自身を除く): 38569032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 108, 124, 186, 216, 248, 279, 372, 558, 744, 837, 1116, 1674, 2232, 3083, 3348, 6166, 6696, 9249, 12332, 18498, 24664, 27747, 36996, 55494, 73992, 83241, 95573, 110988, 166482, 191146, 221976, 286719, 332964, 382292, 573438, 665928, 764584, 860157, 1146876, 1720314, 2293752, 2580471, 3440628, 5160942, 6881256, 10321884, 20643768]

約数ペア:

[(1, 20643768), (2, 10321884), (3, 6881256), (4, 5160942), (6, 3440628), (8, 2580471), (9, 2293752), (12, 1720314), (18, 1146876), (24, 860157), (27, 764584), (31, 665928), (36, 573438), (54, 382292), (62, 332964), (72, 286719), (93, 221976), (108, 191146), (124, 166482), (186, 110988), (216, 95573), (248, 83241), (279, 73992), (372, 55494), (558, 36996), (744, 27747), (837, 24664), (1116, 18498), (1674, 12332), (2232, 9249), (3083, 6696), (3348, 6166)]