20175373900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{6619}}^1$

素因数の和:6824

約数の個数: 144

約数和(自身を含む): 50887992960

約数和(自身を除く): 30712619060

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 163, 170, 187, 220, 275, 326, 340, 374, 425, 550, 652, 748, 815, 850, 935, 1100, 1630, 1700, 1793, 1870, 2771, 3260, 3586, 3740, 4075, 4675, 5542, 6619, 7172, 8150, 8965, 9350, 11084, 13238, 13855, 16300, 17930, 18700, 26476, 27710, 30481, 33095, 35860, 44825, 55420, 60962, 66190, 69275, 72809, 89650, 112523, 121924, 132380, 138550, 145618, 152405, 165475, 179300, 225046, 277100, 291236, 304810, 330950, 364045, 450092, 562615, 609620, 661900, 728090, 762025, 1078897, 1125230, 1237753, 1456180, 1524050, 1820225, 2157794, 2250460, 2475506, 2813075, 3048100, 3640450, 4315588, 4951012, 5394485, 5626150, 6188765, 7280900, 10788970, 11252300, 11867867, 12377530, 18341249, 21577940, 23735734, 24755060, 26972425, 30943825, 36682498, 47471468, 53944850, 59339335, 61887650, 73364996, 91706245, 107889700, 118678670, 123775300, 183412490, 201753739, 237357340, 296696675, 366824980, 403507478, 458531225, 593393350, 807014956, 917062450, 1008768695, 1186786700, 1834124900, 2017537390, 4035074780, 5043843475, 10087686950, 20175373900]

約数ペア:

[(1, 20175373900), (2, 10087686950), (4, 5043843475), (5, 4035074780), (10, 2017537390), (11, 1834124900), (17, 1186786700), (20, 1008768695), (22, 917062450), (25, 807014956), (34, 593393350), (44, 458531225), (50, 403507478), (55, 366824980), (68, 296696675), (85, 237357340), (100, 201753739), (110, 183412490), (163, 123775300), (170, 118678670), (187, 107889700), (220, 91706245), (275, 73364996), (326, 61887650), (340, 59339335), (374, 53944850), (425, 47471468), (550, 36682498), (652, 30943825), (748, 26972425), (815, 24755060), (850, 23735734), (935, 21577940), (1100, 18341249), (1630, 12377530), (1700, 11867867), (1793, 11252300), (1870, 10788970), (2771, 7280900), (3260, 6188765), (3586, 5626150), (3740, 5394485), (4075, 4951012), (4675, 4315588), (5542, 3640450), (6619, 3048100), (7172, 2813075), (8150, 2475506), (8965, 2250460), (9350, 2157794), (11084, 1820225), (13238, 1524050), (13855, 1456180), (16300, 1237753), (17930, 1125230), (18700, 1078897), (26476, 762025), (27710, 728090), (30481, 661900), (33095, 609620), (35860, 562615), (44825, 450092), (55420, 364045), (60962, 330950), (66190, 304810), (69275, 291236), (72809, 277100), (89650, 225046), (112523, 179300), (121924, 165475), (132380, 152405), (138550, 145618)]