20274780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{733}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 56970144

約数和(自身を除く): 36695364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 461, 733, 922, 1383, 1466, 1844, 2199, 2305, 2766, 2932, 3665, 4398, 4610, 5532, 6915, 7330, 8796, 9220, 10995, 13830, 14660, 21990, 27660, 43980, 337913, 675826, 1013739, 1351652, 1689565, 2027478, 3379130, 4054956, 5068695, 6758260, 10137390, 20274780]

約数ペア:

[(1, 20274780), (2, 10137390), (3, 6758260), (4, 5068695), (5, 4054956), (6, 3379130), (10, 2027478), (12, 1689565), (15, 1351652), (20, 1013739), (30, 675826), (60, 337913), (461, 43980), (733, 27660), (922, 21990), (1383, 14660), (1466, 13830), (1844, 10995), (2199, 9220), (2305, 8796), (2766, 7330), (2932, 6915), (3665, 5532), (4398, 4610)]