20217202980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{37619}}^1$

素因数の和:37710

約数の個数: 144

約数和(自身を含む): 62455821120

約数和(自身を除く): 42238618140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 53, 60, 65, 78, 106, 130, 156, 159, 169, 195, 212, 260, 265, 318, 338, 390, 507, 530, 636, 676, 689, 780, 795, 845, 1014, 1060, 1378, 1590, 1690, 2028, 2067, 2535, 2756, 3180, 3380, 3445, 4134, 5070, 6890, 8268, 8957, 10140, 10335, 13780, 17914, 20670, 26871, 35828, 37619, 41340, 44785, 53742, 75238, 89570, 107484, 112857, 134355, 150476, 179140, 188095, 225714, 268710, 376190, 451428, 489047, 537420, 564285, 752380, 978094, 1128570, 1467141, 1956188, 1993807, 2257140, 2445235, 2934282, 3987614, 4890470, 5868564, 5981421, 6357611, 7335705, 7975228, 9780940, 9969035, 11962842, 12715222, 14671410, 19072833, 19938070, 23925684, 25430444, 25919491, 29342820, 29907105, 31788055, 38145666, 39876140, 51838982, 59814210, 63576110, 76291332, 77758473, 95364165, 103677964, 119628420, 127152220, 129597455, 155516946, 190728330, 259194910, 311033892, 336953383, 381456660, 388792365, 518389820, 673906766, 777584730, 1010860149, 1347813532, 1555169460, 1684766915, 2021720298, 3369533830, 4043440596, 5054300745, 6739067660, 10108601490, 20217202980]

約数ペア:

[(1, 20217202980), (2, 10108601490), (3, 6739067660), (4, 5054300745), (5, 4043440596), (6, 3369533830), (10, 2021720298), (12, 1684766915), (13, 1555169460), (15, 1347813532), (20, 1010860149), (26, 777584730), (30, 673906766), (39, 518389820), (52, 388792365), (53, 381456660), (60, 336953383), (65, 311033892), (78, 259194910), (106, 190728330), (130, 155516946), (156, 129597455), (159, 127152220), (169, 119628420), (195, 103677964), (212, 95364165), (260, 77758473), (265, 76291332), (318, 63576110), (338, 59814210), (390, 51838982), (507, 39876140), (530, 38145666), (636, 31788055), (676, 29907105), (689, 29342820), (780, 25919491), (795, 25430444), (845, 23925684), (1014, 19938070), (1060, 19072833), (1378, 14671410), (1590, 12715222), (1690, 11962842), (2028, 9969035), (2067, 9780940), (2535, 7975228), (2756, 7335705), (3180, 6357611), (3380, 5981421), (3445, 5868564), (4134, 4890470), (5070, 3987614), (6890, 2934282), (8268, 2445235), (8957, 2257140), (10140, 1993807), (10335, 1956188), (13780, 1467141), (17914, 1128570), (20670, 978094), (26871, 752380), (35828, 564285), (37619, 537420), (41340, 489047), (44785, 451428), (53742, 376190), (75238, 268710), (89570, 225714), (107484, 188095), (112857, 179140), (134355, 150476)]