20717640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19183}}^1$

素因数の和:19203

約数の個数: 64

約数和(自身を含む): 69062400

約数和(自身を除く): 48344760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19183, 38366, 57549, 76732, 95915, 115098, 153464, 172647, 191830, 230196, 287745, 345294, 383660, 460392, 517941, 575490, 690588, 767320, 863235, 1035882, 1150980, 1381176, 1726470, 2071764, 2301960, 2589705, 3452940, 4143528, 5179410, 6905880, 10358820, 20717640]

約数ペア:

[(1, 20717640), (2, 10358820), (3, 6905880), (4, 5179410), (5, 4143528), (6, 3452940), (8, 2589705), (9, 2301960), (10, 2071764), (12, 1726470), (15, 1381176), (18, 1150980), (20, 1035882), (24, 863235), (27, 767320), (30, 690588), (36, 575490), (40, 517941), (45, 460392), (54, 383660), (60, 345294), (72, 287745), (90, 230196), (108, 191830), (120, 172647), (135, 153464), (180, 115098), (216, 95915), (270, 76732), (360, 57549), (540, 38366), (1080, 19183)]