20806344

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22229}}^1$

素因数の和:22254

約数の個数: 48

約数和(自身を含む): 60687900

約数和(自身を除く): 39881556

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, 22229, 44458, 66687, 88916, 133374, 177832, 200061, 266748, 288977, 400122, 533496, 577954, 800244, 866931, 1155908, 1600488, 1733862, 2311816, 2600793, 3467724, 5201586, 6935448, 10403172, 20806344]

約数ペア:

[(1, 20806344), (2, 10403172), (3, 6935448), (4, 5201586), (6, 3467724), (8, 2600793), (9, 2311816), (12, 1733862), (13, 1600488), (18, 1155908), (24, 866931), (26, 800244), (36, 577954), (39, 533496), (52, 400122), (72, 288977), (78, 266748), (104, 200061), (117, 177832), (156, 133374), (234, 88916), (312, 66687), (468, 44458), (936, 22229)]