20334420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{653}}^1$

素因数の和:841

約数の個数: 72

約数和(自身を含む): 62132616

約数和(自身を除く): 41798196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 653, 692, 865, 1038, 1306, 1557, 1730, 1959, 2076, 2595, 2612, 3114, 3265, 3460, 3918, 5190, 5877, 6228, 6530, 7785, 7836, 9795, 10380, 11754, 13060, 15570, 19590, 23508, 29385, 31140, 39180, 58770, 112969, 117540, 225938, 338907, 451876, 564845, 677814, 1016721, 1129690, 1355628, 1694535, 2033442, 2259380, 3389070, 4066884, 5083605, 6778140, 10167210, 20334420]

約数ペア:

[(1, 20334420), (2, 10167210), (3, 6778140), (4, 5083605), (5, 4066884), (6, 3389070), (9, 2259380), (10, 2033442), (12, 1694535), (15, 1355628), (18, 1129690), (20, 1016721), (30, 677814), (36, 564845), (45, 451876), (60, 338907), (90, 225938), (173, 117540), (180, 112969), (346, 58770), (519, 39180), (653, 31140), (692, 29385), (865, 23508), (1038, 19590), (1306, 15570), (1557, 13060), (1730, 11754), (1959, 10380), (2076, 9795), (2595, 7836), (2612, 7785), (3114, 6530), (3265, 6228), (3460, 5877), (3918, 5190)]