11989020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{947}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 33763968

約数和(自身を除く): 21774948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 947, 1055, 1266, 1894, 2110, 2532, 2841, 3165, 3788, 4220, 4735, 5682, 6330, 9470, 11364, 12660, 14205, 18940, 28410, 56820, 199817, 399634, 599451, 799268, 999085, 1198902, 1998170, 2397804, 2997255, 3996340, 5994510, 11989020]

約数ペア:

[(1, 11989020), (2, 5994510), (3, 3996340), (4, 2997255), (5, 2397804), (6, 1998170), (10, 1198902), (12, 999085), (15, 799268), (20, 599451), (30, 399634), (60, 199817), (211, 56820), (422, 28410), (633, 18940), (844, 14205), (947, 12660), (1055, 11364), (1266, 9470), (1894, 6330), (2110, 5682), (2532, 4735), (2841, 4220), (3165, 3788)]