20023164850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{371143}}^1$

素因数の和:371251

約数の個数: 48

約数和(自身を含む): 40591276992

約数和(自身を除く): 20568112142

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 83, 130, 166, 325, 415, 650, 830, 1079, 2075, 2158, 4150, 5395, 10790, 26975, 53950, 371143, 742286, 1855715, 3711430, 4824859, 9278575, 9649718, 18557150, 24124295, 30804869, 48248590, 61609738, 120621475, 154024345, 241242950, 308048690, 400463297, 770121725, 800926594, 1540243450, 2002316485, 4004632970, 10011582425, 20023164850]

約数ペア:

[(1, 20023164850), (2, 10011582425), (5, 4004632970), (10, 2002316485), (13, 1540243450), (25, 800926594), (26, 770121725), (50, 400463297), (65, 308048690), (83, 241242950), (130, 154024345), (166, 120621475), (325, 61609738), (415, 48248590), (650, 30804869), (830, 24124295), (1079, 18557150), (2075, 9649718), (2158, 9278575), (4150, 4824859), (5395, 3711430), (10790, 1855715), (26975, 742286), (53950, 371143)]