20754464

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 43146432

約数和(自身を除く): 22391968

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 163, 173, 184, 326, 346, 368, 652, 692, 736, 1304, 1384, 2608, 2768, 3749, 3979, 5216, 5536, 7498, 7958, 14996, 15916, 28199, 29992, 31832, 56398, 59984, 63664, 112796, 119968, 127328, 225592, 451184, 648577, 902368, 1297154, 2594308, 5188616, 10377232, 20754464]

約数ペア:

[(1, 20754464), (2, 10377232), (4, 5188616), (8, 2594308), (16, 1297154), (23, 902368), (32, 648577), (46, 451184), (92, 225592), (163, 127328), (173, 119968), (184, 112796), (326, 63664), (346, 59984), (368, 56398), (652, 31832), (692, 29992), (736, 28199), (1304, 15916), (1384, 14996), (2608, 7958), (2768, 7498), (3749, 5536), (3979, 5216)]