20484597

素因数分解:

$3^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 31943712

約数和(自身を除く): 11459115

約数列:

[1, 3, 7, 21, 49, 147, 331, 421, 993, 1263, 2317, 2947, 6951, 8841, 16219, 20629, 48657, 61887, 139351, 418053, 975457, 2926371, 6828199, 20484597]

約数ペア:

[(1, 20484597), (3, 6828199), (7, 2926371), (21, 975457), (49, 418053), (147, 139351), (331, 61887), (421, 48657), (993, 20629), (1263, 16219), (2317, 8841), (2947, 6951)]