2013000020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1\times {\mathrm{4621}}^1$

素因数の和:5600

約数の個数: 48

約数和(自身を含む): 4416709248

約数和(自身を除く): 2403709228

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 947, 1894, 3788, 4621, 4735, 9242, 9470, 18484, 18940, 21781, 23105, 43562, 46210, 87124, 92420, 106283, 108905, 212566, 217810, 425132, 435620, 531415, 1062830, 2125660, 4376087, 8752174, 17504348, 21880435, 43760870, 87521740, 100650001, 201300002, 402600004, 503250005, 1006500010, 2013000020]

約数ペア:

[(1, 2013000020), (2, 1006500010), (4, 503250005), (5, 402600004), (10, 201300002), (20, 100650001), (23, 87521740), (46, 43760870), (92, 21880435), (115, 17504348), (230, 8752174), (460, 4376087), (947, 2125660), (1894, 1062830), (3788, 531415), (4621, 435620), (4735, 425132), (9242, 217810), (9470, 212566), (18484, 108905), (18940, 106283), (21781, 92420), (23105, 87124), (43562, 46210)]