20057460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{947}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 56379456

約数和(自身を除く): 36321996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353, 706, 947, 1059, 1412, 1765, 1894, 2118, 2841, 3530, 3788, 4236, 4735, 5295, 5682, 7060, 9470, 10590, 11364, 14205, 18940, 21180, 28410, 56820, 334291, 668582, 1002873, 1337164, 1671455, 2005746, 3342910, 4011492, 5014365, 6685820, 10028730, 20057460]

約数ペア:

[(1, 20057460), (2, 10028730), (3, 6685820), (4, 5014365), (5, 4011492), (6, 3342910), (10, 2005746), (12, 1671455), (15, 1337164), (20, 1002873), (30, 668582), (60, 334291), (353, 56820), (706, 28410), (947, 21180), (1059, 18940), (1412, 14205), (1765, 11364), (1894, 10590), (2118, 9470), (2841, 7060), (3530, 5682), (3788, 5295), (4236, 4735)]