20196228

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3499}}^1$

素因数の和:3556

約数の個数: 48

約数和(自身を含む): 52136000

約数和(自身を除く): 31939772

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3499, 5772, 6998, 10497, 13996, 20994, 41988, 45487, 90974, 129463, 136461, 181948, 258926, 272922, 388389, 517852, 545844, 776778, 1553556, 1683019, 3366038, 5049057, 6732076, 10098114, 20196228]

約数ペア:

[(1, 20196228), (2, 10098114), (3, 6732076), (4, 5049057), (6, 3366038), (12, 1683019), (13, 1553556), (26, 776778), (37, 545844), (39, 517852), (52, 388389), (74, 272922), (78, 258926), (111, 181948), (148, 136461), (156, 129463), (222, 90974), (444, 45487), (481, 41988), (962, 20994), (1443, 13996), (1924, 10497), (2886, 6998), (3499, 5772)]