20559900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{3607}}^1$

素因数の和:3643

約数の個数: 72

約数和(自身を含む): 62634880

約数和(自身を除く): 42074980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 150, 190, 228, 285, 300, 380, 475, 570, 950, 1140, 1425, 1900, 2850, 3607, 5700, 7214, 10821, 14428, 18035, 21642, 36070, 43284, 54105, 68533, 72140, 90175, 108210, 137066, 180350, 205599, 216420, 270525, 274132, 342665, 360700, 411198, 541050, 685330, 822396, 1027995, 1082100, 1370660, 1713325, 2055990, 3426650, 4111980, 5139975, 6853300, 10279950, 20559900]

約数ペア:

[(1, 20559900), (2, 10279950), (3, 6853300), (4, 5139975), (5, 4111980), (6, 3426650), (10, 2055990), (12, 1713325), (15, 1370660), (19, 1082100), (20, 1027995), (25, 822396), (30, 685330), (38, 541050), (50, 411198), (57, 360700), (60, 342665), (75, 274132), (76, 270525), (95, 216420), (100, 205599), (114, 180350), (150, 137066), (190, 108210), (228, 90175), (285, 72140), (300, 68533), (380, 54105), (475, 43284), (570, 36070), (950, 21642), (1140, 18035), (1425, 14428), (1900, 10821), (2850, 7214), (3607, 5700)]