20982000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:308

約数の個数: 160

約数和(自身を含む): 73120320

約数和(自身を除く): 52138320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 125, 130, 150, 156, 195, 200, 208, 240, 250, 260, 269, 300, 312, 325, 375, 390, 400, 500, 520, 538, 600, 624, 650, 750, 780, 807, 975, 1000, 1040, 1076, 1200, 1300, 1345, 1500, 1560, 1614, 1625, 1950, 2000, 2152, 2600, 2690, 3000, 3120, 3228, 3250, 3497, 3900, 4035, 4304, 4875, 5200, 5380, 6000, 6456, 6500, 6725, 6994, 7800, 8070, 9750, 10491, 10760, 12912, 13000, 13450, 13988, 15600, 16140, 17485, 19500, 20175, 20982, 21520, 26000, 26900, 27976, 32280, 33625, 34970, 39000, 40350, 41964, 52455, 53800, 55952, 64560, 67250, 69940, 78000, 80700, 83928, 87425, 100875, 104910, 107600, 134500, 139880, 161400, 167856, 174850, 201750, 209820, 262275, 269000, 279760, 322800, 349700, 403500, 419640, 437125, 524550, 538000, 699400, 807000, 839280, 874250, 1049100, 1311375, 1398800, 1614000, 1748500, 2098200, 2622750, 3497000, 4196400, 5245500, 6994000, 10491000, 20982000]

約数ペア:

[(1, 20982000), (2, 10491000), (3, 6994000), (4, 5245500), (5, 4196400), (6, 3497000), (8, 2622750), (10, 2098200), (12, 1748500), (13, 1614000), (15, 1398800), (16, 1311375), (20, 1049100), (24, 874250), (25, 839280), (26, 807000), (30, 699400), (39, 538000), (40, 524550), (48, 437125), (50, 419640), (52, 403500), (60, 349700), (65, 322800), (75, 279760), (78, 269000), (80, 262275), (100, 209820), (104, 201750), (120, 174850), (125, 167856), (130, 161400), (150, 139880), (156, 134500), (195, 107600), (200, 104910), (208, 100875), (240, 87425), (250, 83928), (260, 80700), (269, 78000), (300, 69940), (312, 67250), (325, 64560), (375, 55952), (390, 53800), (400, 52455), (500, 41964), (520, 40350), (538, 39000), (600, 34970), (624, 33625), (650, 32280), (750, 27976), (780, 26900), (807, 26000), (975, 21520), (1000, 20982), (1040, 20175), (1076, 19500), (1200, 17485), (1300, 16140), (1345, 15600), (1500, 13988), (1560, 13450), (1614, 13000), (1625, 12912), (1950, 10760), (2000, 10491), (2152, 9750), (2600, 8070), (2690, 7800), (3000, 6994), (3120, 6725), (3228, 6500), (3250, 6456), (3497, 6000), (3900, 5380), (4035, 5200), (4304, 4875)]