20906460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6113}}^1$

素因数の和:6147

約数の個数: 72

約数和(自身を含む): 66764880

約数和(自身を除く): 45858420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6113, 12226, 18339, 24452, 30565, 36678, 55017, 61130, 73356, 91695, 110034, 116147, 122260, 183390, 220068, 232294, 275085, 348441, 366780, 464588, 550170, 580735, 696882, 1045323, 1100340, 1161470, 1393764, 1742205, 2090646, 2322940, 3484410, 4181292, 5226615, 6968820, 10453230, 20906460]

約数ペア:

[(1, 20906460), (2, 10453230), (3, 6968820), (4, 5226615), (5, 4181292), (6, 3484410), (9, 2322940), (10, 2090646), (12, 1742205), (15, 1393764), (18, 1161470), (19, 1100340), (20, 1045323), (30, 696882), (36, 580735), (38, 550170), (45, 464588), (57, 366780), (60, 348441), (76, 275085), (90, 232294), (95, 220068), (114, 183390), (171, 122260), (180, 116147), (190, 110034), (228, 91695), (285, 73356), (342, 61130), (380, 55017), (570, 36678), (684, 30565), (855, 24452), (1140, 18339), (1710, 12226), (3420, 6113)]