20806824

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 55411200

約数和(自身を除く): 34604376

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 103, 114, 152, 206, 228, 309, 412, 443, 456, 618, 824, 886, 1236, 1329, 1772, 1957, 2472, 2658, 3544, 3914, 5316, 5871, 7828, 8417, 10632, 11742, 15656, 16834, 23484, 25251, 33668, 45629, 46968, 50502, 67336, 91258, 101004, 136887, 182516, 202008, 273774, 365032, 547548, 866951, 1095096, 1733902, 2600853, 3467804, 5201706, 6935608, 10403412, 20806824]

約数ペア:

[(1, 20806824), (2, 10403412), (3, 6935608), (4, 5201706), (6, 3467804), (8, 2600853), (12, 1733902), (19, 1095096), (24, 866951), (38, 547548), (57, 365032), (76, 273774), (103, 202008), (114, 182516), (152, 136887), (206, 101004), (228, 91258), (309, 67336), (412, 50502), (443, 46968), (456, 45629), (618, 33668), (824, 25251), (886, 23484), (1236, 16834), (1329, 15656), (1772, 11742), (1957, 10632), (2472, 8417), (2658, 7828), (3544, 5871), (3914, 5316)]