20235060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1423}}^1$

素因数の和:1517

約数の個数: 72

約数和(自身を含む): 62200320

約数和(自身を除く): 41965260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1423, 1580, 2370, 2844, 2846, 3555, 4269, 4740, 5692, 7110, 7115, 8538, 12807, 14220, 14230, 17076, 21345, 25614, 28460, 42690, 51228, 64035, 85380, 112417, 128070, 224834, 256140, 337251, 449668, 562085, 674502, 1011753, 1124170, 1349004, 1686255, 2023506, 2248340, 3372510, 4047012, 5058765, 6745020, 10117530, 20235060]

約数ペア:

[(1, 20235060), (2, 10117530), (3, 6745020), (4, 5058765), (5, 4047012), (6, 3372510), (9, 2248340), (10, 2023506), (12, 1686255), (15, 1349004), (18, 1124170), (20, 1011753), (30, 674502), (36, 562085), (45, 449668), (60, 337251), (79, 256140), (90, 224834), (158, 128070), (180, 112417), (237, 85380), (316, 64035), (395, 51228), (474, 42690), (711, 28460), (790, 25614), (948, 21345), (1185, 17076), (1422, 14230), (1423, 14220), (1580, 12807), (2370, 8538), (2844, 7115), (2846, 7110), (3555, 5692), (4269, 4740)]