20837310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{101}}^1$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 56857248

約数和(自身を除く): 36019938

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 101, 115, 130, 138, 195, 202, 230, 299, 303, 345, 390, 505, 529, 598, 606, 690, 897, 1010, 1058, 1313, 1495, 1515, 1587, 1794, 2323, 2626, 2645, 2990, 3030, 3174, 3939, 4485, 4646, 5290, 6565, 6877, 6969, 7878, 7935, 8970, 11615, 13130, 13754, 13938, 15870, 19695, 20631, 23230, 30199, 34385, 34845, 39390, 41262, 53429, 60398, 68770, 69690, 90597, 103155, 106858, 150995, 160287, 181194, 206310, 267145, 301990, 320574, 452985, 534290, 694577, 801435, 905970, 1389154, 1602870, 2083731, 3472885, 4167462, 6945770, 10418655, 20837310]

約数ペア:

[(1, 20837310), (2, 10418655), (3, 6945770), (5, 4167462), (6, 3472885), (10, 2083731), (13, 1602870), (15, 1389154), (23, 905970), (26, 801435), (30, 694577), (39, 534290), (46, 452985), (65, 320574), (69, 301990), (78, 267145), (101, 206310), (115, 181194), (130, 160287), (138, 150995), (195, 106858), (202, 103155), (230, 90597), (299, 69690), (303, 68770), (345, 60398), (390, 53429), (505, 41262), (529, 39390), (598, 34845), (606, 34385), (690, 30199), (897, 23230), (1010, 20631), (1058, 19695), (1313, 15870), (1495, 13938), (1515, 13754), (1587, 13130), (1794, 11615), (2323, 8970), (2626, 7935), (2645, 7878), (2990, 6969), (3030, 6877), (3174, 6565), (3939, 5290), (4485, 4646)]