20423130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7481}}^1$

素因数の和:7511

約数の個数: 64

約数和(自身を含む): 60334848

約数和(自身を除く): 39911718

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7481, 14962, 22443, 37405, 44886, 52367, 74810, 97253, 104734, 112215, 157101, 194506, 224430, 261835, 291759, 314202, 486265, 523670, 583518, 680771, 785505, 972530, 1361542, 1458795, 1571010, 2042313, 2917590, 3403855, 4084626, 6807710, 10211565, 20423130]

約数ペア:

[(1, 20423130), (2, 10211565), (3, 6807710), (5, 4084626), (6, 3403855), (7, 2917590), (10, 2042313), (13, 1571010), (14, 1458795), (15, 1361542), (21, 972530), (26, 785505), (30, 680771), (35, 583518), (39, 523670), (42, 486265), (65, 314202), (70, 291759), (78, 261835), (91, 224430), (105, 194506), (130, 157101), (182, 112215), (195, 104734), (210, 97253), (273, 74810), (390, 52367), (455, 44886), (546, 37405), (910, 22443), (1365, 14962), (2730, 7481)]