20345010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5099}}^1$

素因数の和:5135

約数の個数: 64

約数和(自身を含む): 58752000

約数和(自身を除く): 38406990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 5099, 10198, 15297, 25495, 30594, 35693, 50990, 71386, 76485, 96881, 107079, 152970, 178465, 193762, 214158, 290643, 356930, 484405, 535395, 581286, 678167, 968810, 1070790, 1356334, 1453215, 2034501, 2906430, 3390835, 4069002, 6781670, 10172505, 20345010]

約数ペア:

[(1, 20345010), (2, 10172505), (3, 6781670), (5, 4069002), (6, 3390835), (7, 2906430), (10, 2034501), (14, 1453215), (15, 1356334), (19, 1070790), (21, 968810), (30, 678167), (35, 581286), (38, 535395), (42, 484405), (57, 356930), (70, 290643), (95, 214158), (105, 193762), (114, 178465), (133, 152970), (190, 107079), (210, 96881), (266, 76485), (285, 71386), (399, 50990), (570, 35693), (665, 30594), (798, 25495), (1330, 15297), (1995, 10198), (3990, 5099)]