20735932

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 43001280

約数和(自身を除く): 22265348

約数列:

[1, 2, 4, 7, 14, 28, 53, 89, 106, 157, 178, 212, 314, 356, 371, 623, 628, 742, 1099, 1246, 1484, 2198, 2492, 4396, 4717, 8321, 9434, 13973, 16642, 18868, 27946, 33019, 33284, 55892, 58247, 66038, 97811, 116494, 132076, 195622, 232988, 391244, 740569, 1481138, 2962276, 5183983, 10367966, 20735932]

約数ペア:

[(1, 20735932), (2, 10367966), (4, 5183983), (7, 2962276), (14, 1481138), (28, 740569), (53, 391244), (89, 232988), (106, 195622), (157, 132076), (178, 116494), (212, 97811), (314, 66038), (356, 58247), (371, 55892), (623, 33284), (628, 33019), (742, 27946), (1099, 18868), (1246, 16642), (1484, 13973), (2198, 9434), (2492, 8321), (4396, 4717)]