20573470

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1163}}^1$

素因数の和:1260

約数の個数: 32

約数和(自身を含む): 38970720

約数和(自身を除く): 18397250

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1163, 1769, 2326, 3538, 5815, 8845, 11630, 17690, 33727, 67454, 70943, 141886, 168635, 337270, 354715, 709430, 2057347, 4114694, 10286735, 20573470]

約数ペア:

[(1, 20573470), (2, 10286735), (5, 4114694), (10, 2057347), (29, 709430), (58, 354715), (61, 337270), (122, 168635), (145, 141886), (290, 70943), (305, 67454), (610, 33727), (1163, 17690), (1769, 11630), (2326, 8845), (3538, 5815)]