20304400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2207}}^1$

素因数の和:2248

約数の個数: 60

約数和(自身を含む): 50925312

約数和(自身を除く): 30620912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 575, 920, 1150, 1840, 2207, 2300, 4414, 4600, 8828, 9200, 11035, 17656, 22070, 35312, 44140, 50761, 55175, 88280, 101522, 110350, 176560, 203044, 220700, 253805, 406088, 441400, 507610, 812176, 882800, 1015220, 1269025, 2030440, 2538050, 4060880, 5076100, 10152200, 20304400]

約数ペア:

[(1, 20304400), (2, 10152200), (4, 5076100), (5, 4060880), (8, 2538050), (10, 2030440), (16, 1269025), (20, 1015220), (23, 882800), (25, 812176), (40, 507610), (46, 441400), (50, 406088), (80, 253805), (92, 220700), (100, 203044), (115, 176560), (184, 110350), (200, 101522), (230, 88280), (368, 55175), (400, 50761), (460, 44140), (575, 35312), (920, 22070), (1150, 17656), (1840, 11035), (2207, 9200), (2300, 8828), (4414, 4600)]