20645176500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{352909}}^1$

素因数の和:352947

約数の個数: 144

約数和(自身を含む): 70138745040

約数和(自身を除く): 49493568540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 125, 130, 150, 156, 180, 195, 225, 234, 250, 260, 300, 325, 375, 390, 450, 468, 500, 585, 650, 750, 780, 900, 975, 1125, 1170, 1300, 1500, 1625, 1950, 2250, 2340, 2925, 3250, 3900, 4500, 4875, 5850, 6500, 9750, 11700, 14625, 19500, 29250, 58500, 352909, 705818, 1058727, 1411636, 1764545, 2117454, 3176181, 3529090, 4234908, 4587817, 5293635, 6352362, 7058180, 8822725, 9175634, 10587270, 12704724, 13763451, 15880905, 17645450, 18351268, 21174540, 22939085, 26468175, 27526902, 31761810, 35290900, 41290353, 44113625, 45878170, 52936350, 55053804, 63523620, 68817255, 79404525, 82580706, 88227250, 91756340, 105872700, 114695425, 132340875, 137634510, 158809050, 165161412, 176454500, 206451765, 229390850, 264681750, 275269020, 317618100, 344086275, 397022625, 412903530, 458781700, 529363500, 573477125, 688172550, 794045250, 825807060, 1032258825, 1146954250, 1376345100, 1588090500, 1720431375, 2064517650, 2293908500, 3440862750, 4129035300, 5161294125, 6881725500, 10322588250, 20645176500]

約数ペア:

[(1, 20645176500), (2, 10322588250), (3, 6881725500), (4, 5161294125), (5, 4129035300), (6, 3440862750), (9, 2293908500), (10, 2064517650), (12, 1720431375), (13, 1588090500), (15, 1376345100), (18, 1146954250), (20, 1032258825), (25, 825807060), (26, 794045250), (30, 688172550), (36, 573477125), (39, 529363500), (45, 458781700), (50, 412903530), (52, 397022625), (60, 344086275), (65, 317618100), (75, 275269020), (78, 264681750), (90, 229390850), (100, 206451765), (117, 176454500), (125, 165161412), (130, 158809050), (150, 137634510), (156, 132340875), (180, 114695425), (195, 105872700), (225, 91756340), (234, 88227250), (250, 82580706), (260, 79404525), (300, 68817255), (325, 63523620), (375, 55053804), (390, 52936350), (450, 45878170), (468, 44113625), (500, 41290353), (585, 35290900), (650, 31761810), (750, 27526902), (780, 26468175), (900, 22939085), (975, 21174540), (1125, 18351268), (1170, 17645450), (1300, 15880905), (1500, 13763451), (1625, 12704724), (1950, 10587270), (2250, 9175634), (2340, 8822725), (2925, 7058180), (3250, 6352362), (3900, 5293635), (4500, 4587817), (4875, 4234908), (5850, 3529090), (6500, 3176181), (9750, 2117454), (11700, 1764545), (14625, 1411636), (19500, 1058727), (29250, 705818), (58500, 352909)]