20432100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^3\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 144

約数和(自身を含む): 66106880

約数和(自身を除く): 45674780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 130, 150, 155, 156, 169, 186, 195, 260, 300, 310, 325, 338, 372, 390, 403, 465, 507, 620, 650, 676, 775, 780, 806, 845, 930, 975, 1014, 1209, 1300, 1550, 1612, 1690, 1860, 1950, 2015, 2028, 2197, 2325, 2418, 2535, 3100, 3380, 3900, 4030, 4225, 4394, 4650, 4836, 5070, 5239, 6045, 6591, 8060, 8450, 8788, 9300, 10075, 10140, 10478, 10985, 12090, 12675, 13182, 15717, 16900, 20150, 20956, 21970, 24180, 25350, 26195, 26364, 30225, 31434, 32955, 40300, 43940, 50700, 52390, 54925, 60450, 62868, 65910, 68107, 78585, 104780, 109850, 120900, 130975, 131820, 136214, 157170, 164775, 204321, 219700, 261950, 272428, 314340, 329550, 340535, 392925, 408642, 523900, 659100, 681070, 785850, 817284, 1021605, 1362140, 1571700, 1702675, 2043210, 3405350, 4086420, 5108025, 6810700, 10216050, 20432100]

約数ペア:

[(1, 20432100), (2, 10216050), (3, 6810700), (4, 5108025), (5, 4086420), (6, 3405350), (10, 2043210), (12, 1702675), (13, 1571700), (15, 1362140), (20, 1021605), (25, 817284), (26, 785850), (30, 681070), (31, 659100), (39, 523900), (50, 408642), (52, 392925), (60, 340535), (62, 329550), (65, 314340), (75, 272428), (78, 261950), (93, 219700), (100, 204321), (124, 164775), (130, 157170), (150, 136214), (155, 131820), (156, 130975), (169, 120900), (186, 109850), (195, 104780), (260, 78585), (300, 68107), (310, 65910), (325, 62868), (338, 60450), (372, 54925), (390, 52390), (403, 50700), (465, 43940), (507, 40300), (620, 32955), (650, 31434), (676, 30225), (775, 26364), (780, 26195), (806, 25350), (845, 24180), (930, 21970), (975, 20956), (1014, 20150), (1209, 16900), (1300, 15717), (1550, 13182), (1612, 12675), (1690, 12090), (1860, 10985), (1950, 10478), (2015, 10140), (2028, 10075), (2197, 9300), (2325, 8788), (2418, 8450), (2535, 8060), (3100, 6591), (3380, 6045), (3900, 5239), (4030, 5070), (4225, 4836), (4394, 4650)]