20539764

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:390

約数の個数: 96

約数和(自身を含む): 61689600

約数和(自身を除く): 41149836

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 101, 108, 126, 189, 202, 252, 269, 303, 378, 404, 538, 606, 707, 756, 807, 909, 1076, 1212, 1414, 1614, 1818, 1883, 2121, 2421, 2727, 2828, 3228, 3636, 3766, 4242, 4842, 5454, 5649, 6363, 7263, 7532, 8484, 9684, 10908, 11298, 12726, 14526, 16947, 19089, 22596, 25452, 27169, 29052, 33894, 38178, 50841, 54338, 67788, 76356, 81507, 101682, 108676, 163014, 190183, 203364, 244521, 326028, 380366, 489042, 570549, 733563, 760732, 978084, 1141098, 1467126, 1711647, 2282196, 2934252, 3423294, 5134941, 6846588, 10269882, 20539764]

約数ペア:

[(1, 20539764), (2, 10269882), (3, 6846588), (4, 5134941), (6, 3423294), (7, 2934252), (9, 2282196), (12, 1711647), (14, 1467126), (18, 1141098), (21, 978084), (27, 760732), (28, 733563), (36, 570549), (42, 489042), (54, 380366), (63, 326028), (84, 244521), (101, 203364), (108, 190183), (126, 163014), (189, 108676), (202, 101682), (252, 81507), (269, 76356), (303, 67788), (378, 54338), (404, 50841), (538, 38178), (606, 33894), (707, 29052), (756, 27169), (807, 25452), (909, 22596), (1076, 19089), (1212, 16947), (1414, 14526), (1614, 12726), (1818, 11298), (1883, 10908), (2121, 9684), (2421, 8484), (2727, 7532), (2828, 7263), (3228, 6363), (3636, 5649), (3766, 5454), (4242, 4842)]