20883150

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 59520000

約数和(自身を除く): 38636850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 31, 45, 50, 54, 62, 75, 90, 93, 135, 150, 155, 186, 225, 270, 279, 310, 450, 465, 499, 558, 675, 775, 837, 930, 998, 1350, 1395, 1497, 1550, 1674, 2325, 2495, 2790, 2994, 4185, 4491, 4650, 4990, 6975, 7485, 8370, 8982, 12475, 13473, 13950, 14970, 15469, 20925, 22455, 24950, 26946, 30938, 37425, 41850, 44910, 46407, 67365, 74850, 77345, 92814, 112275, 134730, 139221, 154690, 224550, 232035, 278442, 336825, 386725, 417663, 464070, 673650, 696105, 773450, 835326, 1160175, 1392210, 2088315, 2320350, 3480525, 4176630, 6961050, 10441575, 20883150]

約数ペア:

[(1, 20883150), (2, 10441575), (3, 6961050), (5, 4176630), (6, 3480525), (9, 2320350), (10, 2088315), (15, 1392210), (18, 1160175), (25, 835326), (27, 773450), (30, 696105), (31, 673650), (45, 464070), (50, 417663), (54, 386725), (62, 336825), (75, 278442), (90, 232035), (93, 224550), (135, 154690), (150, 139221), (155, 134730), (186, 112275), (225, 92814), (270, 77345), (279, 74850), (310, 67365), (450, 46407), (465, 44910), (499, 41850), (558, 37425), (675, 30938), (775, 26946), (837, 24950), (930, 22455), (998, 20925), (1350, 15469), (1395, 14970), (1497, 13950), (1550, 13473), (1674, 12475), (2325, 8982), (2495, 8370), (2790, 7485), (2994, 6975), (4185, 4990), (4491, 4650)]