20191860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8629}}^1$

素因数の和:8657

約数の個数: 72

約数和(自身を含む): 65967720

約数和(自身を除く): 45775860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8629, 17258, 25887, 34516, 43145, 51774, 77661, 86290, 103548, 112177, 129435, 155322, 172580, 224354, 258870, 310644, 336531, 388305, 448708, 517740, 560885, 673062, 776610, 1009593, 1121770, 1346124, 1553220, 1682655, 2019186, 2243540, 3365310, 4038372, 5047965, 6730620, 10095930, 20191860]

約数ペア:

[(1, 20191860), (2, 10095930), (3, 6730620), (4, 5047965), (5, 4038372), (6, 3365310), (9, 2243540), (10, 2019186), (12, 1682655), (13, 1553220), (15, 1346124), (18, 1121770), (20, 1009593), (26, 776610), (30, 673062), (36, 560885), (39, 517740), (45, 448708), (52, 388305), (60, 336531), (65, 310644), (78, 258870), (90, 224354), (117, 172580), (130, 155322), (156, 129435), (180, 112177), (195, 103548), (234, 86290), (260, 77661), (390, 51774), (468, 43145), (585, 34516), (780, 25887), (1170, 17258), (2340, 8629)]