20029460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{503}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 26201452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 503, 724, 905, 1006, 1810, 1991, 2012, 2515, 3620, 3982, 5030, 5533, 7964, 9955, 10060, 11066, 19910, 22132, 27665, 39820, 55330, 91043, 110660, 182086, 364172, 455215, 910430, 1001473, 1820860, 2002946, 4005892, 5007365, 10014730, 20029460]

約数ペア:

[(1, 20029460), (2, 10014730), (4, 5007365), (5, 4005892), (10, 2002946), (11, 1820860), (20, 1001473), (22, 910430), (44, 455215), (55, 364172), (110, 182086), (181, 110660), (220, 91043), (362, 55330), (503, 39820), (724, 27665), (905, 22132), (1006, 19910), (1810, 11066), (1991, 10060), (2012, 9955), (2515, 7964), (3620, 5533), (3982, 5030)]