20189984550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{57793}}^1$

素因数の和:57962

約数の個数: 96

約数和(自身を含む): 53404430112

約数和(自身を除く): 33214445562

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 137, 150, 170, 255, 274, 411, 425, 510, 685, 822, 850, 1275, 1370, 2055, 2329, 2550, 3425, 4110, 4658, 6850, 6987, 10275, 11645, 13974, 20550, 23290, 34935, 57793, 58225, 69870, 115586, 116450, 173379, 174675, 288965, 346758, 349350, 577930, 866895, 982481, 1444825, 1733790, 1964962, 2889650, 2947443, 4334475, 4912405, 5894886, 7917641, 8668950, 9824810, 14737215, 15835282, 23752923, 24562025, 29474430, 39588205, 47505846, 49124050, 73686075, 79176410, 118764615, 134599897, 147372150, 197941025, 237529230, 269199794, 395882050, 403799691, 593823075, 672999485, 807599382, 1187646150, 1345998970, 2018998455, 3364997425, 4037996910, 6729994850, 10094992275, 20189984550]

約数ペア:

[(1, 20189984550), (2, 10094992275), (3, 6729994850), (5, 4037996910), (6, 3364997425), (10, 2018998455), (15, 1345998970), (17, 1187646150), (25, 807599382), (30, 672999485), (34, 593823075), (50, 403799691), (51, 395882050), (75, 269199794), (85, 237529230), (102, 197941025), (137, 147372150), (150, 134599897), (170, 118764615), (255, 79176410), (274, 73686075), (411, 49124050), (425, 47505846), (510, 39588205), (685, 29474430), (822, 24562025), (850, 23752923), (1275, 15835282), (1370, 14737215), (2055, 9824810), (2329, 8668950), (2550, 7917641), (3425, 5894886), (4110, 4912405), (4658, 4334475), (6850, 2947443), (6987, 2889650), (10275, 1964962), (11645, 1733790), (13974, 1444825), (20550, 982481), (23290, 866895), (34935, 577930), (57793, 349350), (58225, 346758), (69870, 288965), (115586, 174675), (116450, 173379)]