20124894064

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{165479}}^1$

素因数の和:166189

約数の個数: 40

約数和(自身を含む): 42598523520

約数和(自身を除く): 22473629456

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 691, 1382, 2764, 5528, 7601, 11056, 15202, 30404, 60808, 121616, 165479, 330958, 661916, 1323832, 1820269, 2647664, 3640538, 7281076, 14562152, 29124304, 114345989, 228691978, 457383956, 914767912, 1257805879, 1829535824, 2515611758, 5031223516, 10062447032, 20124894064]

約数ペア:

[(1, 20124894064), (2, 10062447032), (4, 5031223516), (8, 2515611758), (11, 1829535824), (16, 1257805879), (22, 914767912), (44, 457383956), (88, 228691978), (176, 114345989), (691, 29124304), (1382, 14562152), (2764, 7281076), (5528, 3640538), (7601, 2647664), (11056, 1820269), (15202, 1323832), (30404, 661916), (60808, 330958), (121616, 165479)]