20995320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7607}}^1$

素因数の和:7644

約数の個数: 64

約数和(自身を含む): 65733120

約数和(自身を除く): 44737800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7607, 15214, 22821, 30428, 38035, 45642, 60856, 76070, 91284, 114105, 152140, 174961, 182568, 228210, 304280, 349922, 456420, 524883, 699844, 874805, 912840, 1049766, 1399688, 1749610, 2099532, 2624415, 3499220, 4199064, 5248830, 6998440, 10497660, 20995320]

約数ペア:

[(1, 20995320), (2, 10497660), (3, 6998440), (4, 5248830), (5, 4199064), (6, 3499220), (8, 2624415), (10, 2099532), (12, 1749610), (15, 1399688), (20, 1049766), (23, 912840), (24, 874805), (30, 699844), (40, 524883), (46, 456420), (60, 349922), (69, 304280), (92, 228210), (115, 182568), (120, 174961), (138, 152140), (184, 114105), (230, 91284), (276, 76070), (345, 60856), (460, 45642), (552, 38035), (690, 30428), (920, 22821), (1380, 15214), (2760, 7607)]