20216457045

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{53861}}^1$

素因数の和:54330

約数の個数: 48

約数和(自身を含む): 36970876800

約数和(自身を除く): 16754419755

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 439, 855, 1317, 2195, 3951, 6585, 8341, 19755, 25023, 41705, 53861, 75069, 125115, 161583, 269305, 375345, 484749, 807915, 1023359, 2423745, 3070077, 5116795, 9210231, 15350385, 23644979, 46051155, 70934937, 118224895, 212804811, 354674685, 449254601, 1064024055, 1347763803, 2246273005, 4043291409, 6738819015, 20216457045]

約数ペア:

[(1, 20216457045), (3, 6738819015), (5, 4043291409), (9, 2246273005), (15, 1347763803), (19, 1064024055), (45, 449254601), (57, 354674685), (95, 212804811), (171, 118224895), (285, 70934937), (439, 46051155), (855, 23644979), (1317, 15350385), (2195, 9210231), (3951, 5116795), (6585, 3070077), (8341, 2423745), (19755, 1023359), (25023, 807915), (41705, 484749), (53861, 375345), (75069, 269305), (125115, 161583)]