20274200

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 51224400

約数和(自身を除く): 30950200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 67, 68, 85, 89, 100, 134, 136, 170, 178, 200, 268, 335, 340, 356, 425, 445, 536, 670, 680, 712, 850, 890, 1139, 1340, 1513, 1675, 1700, 1780, 2225, 2278, 2680, 3026, 3350, 3400, 3560, 4450, 4556, 5695, 5963, 6052, 6700, 7565, 8900, 9112, 11390, 11926, 12104, 13400, 15130, 17800, 22780, 23852, 28475, 29815, 30260, 37825, 45560, 47704, 56950, 59630, 60520, 75650, 101371, 113900, 119260, 149075, 151300, 202742, 227800, 238520, 298150, 302600, 405484, 506855, 596300, 810968, 1013710, 1192600, 2027420, 2534275, 4054840, 5068550, 10137100, 20274200]

約数ペア:

[(1, 20274200), (2, 10137100), (4, 5068550), (5, 4054840), (8, 2534275), (10, 2027420), (17, 1192600), (20, 1013710), (25, 810968), (34, 596300), (40, 506855), (50, 405484), (67, 302600), (68, 298150), (85, 238520), (89, 227800), (100, 202742), (134, 151300), (136, 149075), (170, 119260), (178, 113900), (200, 101371), (268, 75650), (335, 60520), (340, 59630), (356, 56950), (425, 47704), (445, 45560), (536, 37825), (670, 30260), (680, 29815), (712, 28475), (850, 23852), (890, 22780), (1139, 17800), (1340, 15130), (1513, 13400), (1675, 12104), (1700, 11926), (1780, 11390), (2225, 9112), (2278, 8900), (2680, 7565), (3026, 6700), (3350, 6052), (3400, 5963), (3560, 5695), (4450, 4556)]