20214021945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1\times {\mathrm{3557}}^1$

素因数の和:3922

約数の個数: 64

約数和(自身を含む): 35252550144

約数和(自身を除く): 15038528199

約数列:

[1, 3, 5, 13, 15, 39, 65, 151, 193, 195, 453, 579, 755, 965, 1963, 2265, 2509, 2895, 3557, 5889, 7527, 9815, 10671, 12545, 17785, 29143, 29445, 37635, 46241, 53355, 87429, 138723, 145715, 231205, 378859, 437145, 537107, 686501, 693615, 1136577, 1611321, 1894295, 2059503, 2685535, 3432505, 5682885, 6982391, 8056605, 8924513, 10297515, 20947173, 26773539, 34911955, 44622565, 103661651, 104735865, 133867695, 310984953, 518308255, 1347601463, 1554924765, 4042804389, 6738007315, 20214021945]

約数ペア:

[(1, 20214021945), (3, 6738007315), (5, 4042804389), (13, 1554924765), (15, 1347601463), (39, 518308255), (65, 310984953), (151, 133867695), (193, 104735865), (195, 103661651), (453, 44622565), (579, 34911955), (755, 26773539), (965, 20947173), (1963, 10297515), (2265, 8924513), (2509, 8056605), (2895, 6982391), (3557, 5682885), (5889, 3432505), (7527, 2685535), (9815, 2059503), (10671, 1894295), (12545, 1611321), (17785, 1136577), (29143, 693615), (29445, 686501), (37635, 537107), (46241, 437145), (53355, 378859), (87429, 231205), (138723, 145715)]