20485896

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 32736504

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 109, 123, 164, 191, 218, 246, 327, 328, 382, 436, 492, 573, 654, 764, 872, 984, 1146, 1308, 1528, 2292, 2616, 4469, 4584, 7831, 8938, 13407, 15662, 17876, 20819, 23493, 26814, 31324, 35752, 41638, 46986, 53628, 62457, 62648, 83276, 93972, 107256, 124914, 166552, 187944, 249828, 499656, 853579, 1707158, 2560737, 3414316, 5121474, 6828632, 10242948, 20485896]

約数ペア:

[(1, 20485896), (2, 10242948), (3, 6828632), (4, 5121474), (6, 3414316), (8, 2560737), (12, 1707158), (24, 853579), (41, 499656), (82, 249828), (109, 187944), (123, 166552), (164, 124914), (191, 107256), (218, 93972), (246, 83276), (327, 62648), (328, 62457), (382, 53628), (436, 46986), (492, 41638), (573, 35752), (654, 31324), (764, 26814), (872, 23493), (984, 20819), (1146, 17876), (1308, 15662), (1528, 13407), (2292, 8938), (2616, 7831), (4469, 4584)]