20769852

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 52916976

約数和(自身を除く): 32147124

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 53, 68, 102, 106, 113, 159, 204, 212, 226, 289, 318, 339, 452, 578, 636, 678, 867, 901, 1156, 1356, 1734, 1802, 1921, 2703, 3468, 3604, 3842, 5406, 5763, 5989, 7684, 10812, 11526, 11978, 15317, 17967, 23052, 23956, 30634, 32657, 35934, 45951, 61268, 65314, 71868, 91902, 97971, 101813, 130628, 183804, 195942, 203626, 305439, 391884, 407252, 610878, 1221756, 1730821, 3461642, 5192463, 6923284, 10384926, 20769852]

約数ペア:

[(1, 20769852), (2, 10384926), (3, 6923284), (4, 5192463), (6, 3461642), (12, 1730821), (17, 1221756), (34, 610878), (51, 407252), (53, 391884), (68, 305439), (102, 203626), (106, 195942), (113, 183804), (159, 130628), (204, 101813), (212, 97971), (226, 91902), (289, 71868), (318, 65314), (339, 61268), (452, 45951), (578, 35934), (636, 32657), (678, 30634), (867, 23956), (901, 23052), (1156, 17967), (1356, 15317), (1734, 11978), (1802, 11526), (1921, 10812), (2703, 7684), (3468, 5989), (3604, 5763), (3842, 5406)]