20913048

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22343}}^1$

素因数の和:22368

約数の個数: 48

約数和(自身を含む): 60999120

約数和(自身を除く): 40086072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22343, 44686, 67029, 89372, 134058, 178744, 201087, 268116, 290459, 402174, 536232, 580918, 804348, 871377, 1161836, 1608696, 1742754, 2323672, 2614131, 3485508, 5228262, 6971016, 10456524, 20913048]

約数ペア:

[(1, 20913048), (2, 10456524), (3, 6971016), (4, 5228262), (6, 3485508), (8, 2614131), (9, 2323672), (12, 1742754), (13, 1608696), (18, 1161836), (24, 871377), (26, 804348), (36, 580918), (39, 536232), (52, 402174), (72, 290459), (78, 268116), (104, 201087), (117, 178744), (156, 134058), (234, 89372), (312, 67029), (468, 44686), (936, 22343)]