20233720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{233}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 49533120

約数和(自身を除く): 29299400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 233, 260, 334, 466, 520, 668, 835, 932, 1165, 1336, 1670, 1864, 2171, 2330, 3029, 3340, 4342, 4660, 6058, 6680, 8684, 9320, 10855, 12116, 15145, 17368, 21710, 24232, 30290, 38911, 43420, 60580, 77822, 86840, 121160, 155644, 194555, 311288, 389110, 505843, 778220, 1011686, 1556440, 2023372, 2529215, 4046744, 5058430, 10116860, 20233720]

約数ペア:

[(1, 20233720), (2, 10116860), (4, 5058430), (5, 4046744), (8, 2529215), (10, 2023372), (13, 1556440), (20, 1011686), (26, 778220), (40, 505843), (52, 389110), (65, 311288), (104, 194555), (130, 155644), (167, 121160), (233, 86840), (260, 77822), (334, 60580), (466, 43420), (520, 38911), (668, 30290), (835, 24232), (932, 21710), (1165, 17368), (1336, 15145), (1670, 12116), (1864, 10855), (2171, 9320), (2330, 8684), (3029, 6680), (3340, 6058), (4342, 4660)]