20163627080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{41719}}^1$

素因数の和:42054

約数の個数: 64

約数和(自身を含む): 46589558400

約数和(自身を除く): 26425931320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 281, 344, 430, 562, 860, 1124, 1405, 1720, 2248, 2810, 5620, 11240, 12083, 24166, 41719, 48332, 60415, 83438, 96664, 120830, 166876, 208595, 241660, 333752, 417190, 483320, 834380, 1668760, 1793917, 3587834, 7175668, 8969585, 11723039, 14351336, 17939170, 23446078, 35878340, 46892156, 58615195, 71756680, 93784312, 117230390, 234460780, 468921560, 504090677, 1008181354, 2016362708, 2520453385, 4032725416, 5040906770, 10081813540, 20163627080]

約数ペア:

[(1, 20163627080), (2, 10081813540), (4, 5040906770), (5, 4032725416), (8, 2520453385), (10, 2016362708), (20, 1008181354), (40, 504090677), (43, 468921560), (86, 234460780), (172, 117230390), (215, 93784312), (281, 71756680), (344, 58615195), (430, 46892156), (562, 35878340), (860, 23446078), (1124, 17939170), (1405, 14351336), (1720, 11723039), (2248, 8969585), (2810, 7175668), (5620, 3587834), (11240, 1793917), (12083, 1668760), (24166, 834380), (41719, 483320), (48332, 417190), (60415, 333752), (83438, 241660), (96664, 208595), (120830, 166876)]