20015389076

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{601}}^1\times {\mathrm{6709}}^1$

素因数の和:7404

約数の個数: 48

約数和(自身を含む): 37663552080

約数和(自身を除く): 17648163004

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 601, 1202, 1241, 2404, 2482, 4964, 6709, 10217, 13418, 20434, 26836, 40868, 43873, 87746, 114053, 175492, 228106, 456212, 489757, 745841, 979514, 1491682, 1959028, 2983364, 4032109, 8064218, 8325869, 16128436, 16651738, 33303476, 68545853, 137091706, 274183412, 294343957, 588687914, 1177375828, 5003847269, 10007694538, 20015389076]

約数ペア:

[(1, 20015389076), (2, 10007694538), (4, 5003847269), (17, 1177375828), (34, 588687914), (68, 294343957), (73, 274183412), (146, 137091706), (292, 68545853), (601, 33303476), (1202, 16651738), (1241, 16128436), (2404, 8325869), (2482, 8064218), (4964, 4032109), (6709, 2983364), (10217, 1959028), (13418, 1491682), (20434, 979514), (26836, 745841), (40868, 489757), (43873, 456212), (87746, 228106), (114053, 175492)]