20984250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^2\times {\mathrm{571}}^1$

素因数の和:605

約数の個数: 96

約数和(自身を含む): 61034688

約数和(自身を除く): 40050438

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 125, 147, 150, 175, 210, 245, 250, 294, 350, 375, 490, 525, 571, 735, 750, 875, 1050, 1142, 1225, 1470, 1713, 1750, 2450, 2625, 2855, 3426, 3675, 3997, 5250, 5710, 6125, 7350, 7994, 8565, 11991, 12250, 14275, 17130, 18375, 19985, 23982, 27979, 28550, 36750, 39970, 42825, 55958, 59955, 71375, 83937, 85650, 99925, 119910, 139895, 142750, 167874, 199850, 214125, 279790, 299775, 419685, 428250, 499625, 599550, 699475, 839370, 999250, 1398950, 1498875, 2098425, 2997750, 3497375, 4196850, 6994750, 10492125, 20984250]

約数ペア:

[(1, 20984250), (2, 10492125), (3, 6994750), (5, 4196850), (6, 3497375), (7, 2997750), (10, 2098425), (14, 1498875), (15, 1398950), (21, 999250), (25, 839370), (30, 699475), (35, 599550), (42, 499625), (49, 428250), (50, 419685), (70, 299775), (75, 279790), (98, 214125), (105, 199850), (125, 167874), (147, 142750), (150, 139895), (175, 119910), (210, 99925), (245, 85650), (250, 83937), (294, 71375), (350, 59955), (375, 55958), (490, 42825), (525, 39970), (571, 36750), (735, 28550), (750, 27979), (875, 23982), (1050, 19985), (1142, 18375), (1225, 17130), (1470, 14275), (1713, 12250), (1750, 11991), (2450, 8565), (2625, 7994), (2855, 7350), (3426, 6125), (3675, 5710), (3997, 5250)]