201821320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{219371}}^1$

素因数の和:219405

約数の個数: 32

約数和(自身を含む): 473843520

約数和(自身を除く): 272022200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 219371, 438742, 877484, 1096855, 1754968, 2193710, 4387420, 5045533, 8774840, 10091066, 20182132, 25227665, 40364264, 50455330, 100910660, 201821320]

約数ペア:

[(1, 201821320), (2, 100910660), (4, 50455330), (5, 40364264), (8, 25227665), (10, 20182132), (20, 10091066), (23, 8774840), (40, 5045533), (46, 4387420), (92, 2193710), (115, 1754968), (184, 1096855), (230, 877484), (460, 438742), (920, 219371)]