20309552

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{241}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 41411040

約数和(自身を除く): 21101488

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 229, 241, 368, 458, 482, 916, 964, 1832, 1928, 3664, 3856, 5267, 5543, 10534, 11086, 21068, 22172, 42136, 44344, 55189, 84272, 88688, 110378, 220756, 441512, 883024, 1269347, 2538694, 5077388, 10154776, 20309552]

約数ペア:

[(1, 20309552), (2, 10154776), (4, 5077388), (8, 2538694), (16, 1269347), (23, 883024), (46, 441512), (92, 220756), (184, 110378), (229, 88688), (241, 84272), (368, 55189), (458, 44344), (482, 42136), (916, 22172), (964, 21068), (1832, 11086), (1928, 10534), (3664, 5543), (3856, 5267)]