20346880112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97821539}}^1$

素因数の和:97821560

約数の個数: 20

約数和(自身を含む): 42454548360

約数和(自身を除く): 22107668248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97821539, 195643078, 391286156, 782572312, 1271680007, 1565144624, 2543360014, 5086720028, 10173440056, 20346880112]

約数ペア:

[(1, 20346880112), (2, 10173440056), (4, 5086720028), (8, 2543360014), (13, 1565144624), (16, 1271680007), (26, 782572312), (52, 391286156), (104, 195643078), (208, 97821539)]