20045696

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 45532800

約数和(自身を除く): 25487104

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 92, 128, 176, 184, 253, 352, 368, 506, 619, 704, 736, 1012, 1238, 1408, 1472, 2024, 2476, 2944, 4048, 4952, 6809, 8096, 9904, 13618, 14237, 16192, 19808, 27236, 28474, 32384, 39616, 54472, 56948, 79232, 108944, 113896, 156607, 217888, 227792, 313214, 435776, 455584, 626428, 871552, 911168, 1252856, 1822336, 2505712, 5011424, 10022848, 20045696]

約数ペア:

[(1, 20045696), (2, 10022848), (4, 5011424), (8, 2505712), (11, 1822336), (16, 1252856), (22, 911168), (23, 871552), (32, 626428), (44, 455584), (46, 435776), (64, 313214), (88, 227792), (92, 217888), (128, 156607), (176, 113896), (184, 108944), (253, 79232), (352, 56948), (368, 54472), (506, 39616), (619, 32384), (704, 28474), (736, 27236), (1012, 19808), (1238, 16192), (1408, 14237), (1472, 13618), (2024, 9904), (2476, 8096), (2944, 6809), (4048, 4952)]