20165037465

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1381}}^1\times {\mathrm{18367}}^1$

素因数の和:19809

約数の個数: 32

約数和(自身を含む): 32898410496

約数和(自身を除く): 12733373031

約数列:

[1, 3, 5, 15, 53, 159, 265, 795, 1381, 4143, 6905, 18367, 20715, 55101, 73193, 91835, 219579, 275505, 365965, 973451, 1097895, 2920353, 4867255, 14601765, 25364827, 76094481, 126824135, 380472405, 1344335831, 4033007493, 6721679155, 20165037465]

約数ペア:

[(1, 20165037465), (3, 6721679155), (5, 4033007493), (15, 1344335831), (53, 380472405), (159, 126824135), (265, 76094481), (795, 25364827), (1381, 14601765), (4143, 4867255), (6905, 2920353), (18367, 1097895), (20715, 973451), (55101, 365965), (73193, 275505), (91835, 219579)]