20138046980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1183199}}^1$

素因数の和:1183268

約数の個数: 48

約数和(自身を含む): 45321292800

約数和(自身を除く): 25183245820

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1702, 3404, 4255, 8510, 17020, 1183199, 2366398, 4732796, 5915995, 11831990, 23663980, 27213577, 43778363, 54427154, 87556726, 108854308, 136067885, 175113452, 218891815, 272135770, 437783630, 544271540, 875567260, 1006902349, 2013804698, 4027609396, 5034511745, 10069023490, 20138046980]

約数ペア:

[(1, 20138046980), (2, 10069023490), (4, 5034511745), (5, 4027609396), (10, 2013804698), (20, 1006902349), (23, 875567260), (37, 544271540), (46, 437783630), (74, 272135770), (92, 218891815), (115, 175113452), (148, 136067885), (185, 108854308), (230, 87556726), (370, 54427154), (460, 43778363), (740, 27213577), (851, 23663980), (1702, 11831990), (3404, 5915995), (4255, 4732796), (8510, 2366398), (17020, 1183199)]