20986350

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 192

約数和(自身を含む): 68567040

約数和(自身を除く): 47580690

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 23, 25, 30, 33, 35, 42, 46, 50, 55, 66, 69, 70, 75, 77, 79, 105, 110, 115, 138, 150, 154, 158, 161, 165, 175, 210, 230, 231, 237, 253, 275, 322, 330, 345, 350, 385, 395, 462, 474, 483, 506, 525, 550, 553, 575, 690, 759, 770, 790, 805, 825, 869, 966, 1050, 1106, 1150, 1155, 1185, 1265, 1518, 1610, 1650, 1659, 1725, 1738, 1771, 1817, 1925, 1975, 2310, 2370, 2415, 2530, 2607, 2765, 3318, 3450, 3542, 3634, 3795, 3850, 3950, 4025, 4345, 4830, 5214, 5313, 5451, 5530, 5775, 5925, 6083, 6325, 7590, 8050, 8295, 8690, 8855, 9085, 10626, 10902, 11550, 11850, 12075, 12166, 12650, 12719, 13035, 13825, 16590, 17710, 18170, 18249, 18975, 19987, 21725, 24150, 25438, 26070, 26565, 27255, 27650, 30415, 36498, 37950, 38157, 39974, 41475, 43450, 44275, 45425, 53130, 54510, 59961, 60830, 63595, 65175, 76314, 82950, 88550, 90850, 91245, 99935, 119922, 127190, 130350, 132825, 136275, 139909, 152075, 182490, 190785, 199870, 265650, 272550, 279818, 299805, 304150, 317975, 381570, 419727, 456225, 499675, 599610, 635950, 699545, 839454, 912450, 953925, 999350, 1399090, 1499025, 1907850, 2098635, 2998050, 3497725, 4197270, 6995450, 10493175, 20986350]

約数ペア:

[(1, 20986350), (2, 10493175), (3, 6995450), (5, 4197270), (6, 3497725), (7, 2998050), (10, 2098635), (11, 1907850), (14, 1499025), (15, 1399090), (21, 999350), (22, 953925), (23, 912450), (25, 839454), (30, 699545), (33, 635950), (35, 599610), (42, 499675), (46, 456225), (50, 419727), (55, 381570), (66, 317975), (69, 304150), (70, 299805), (75, 279818), (77, 272550), (79, 265650), (105, 199870), (110, 190785), (115, 182490), (138, 152075), (150, 139909), (154, 136275), (158, 132825), (161, 130350), (165, 127190), (175, 119922), (210, 99935), (230, 91245), (231, 90850), (237, 88550), (253, 82950), (275, 76314), (322, 65175), (330, 63595), (345, 60830), (350, 59961), (385, 54510), (395, 53130), (462, 45425), (474, 44275), (483, 43450), (506, 41475), (525, 39974), (550, 38157), (553, 37950), (575, 36498), (690, 30415), (759, 27650), (770, 27255), (790, 26565), (805, 26070), (825, 25438), (869, 24150), (966, 21725), (1050, 19987), (1106, 18975), (1150, 18249), (1155, 18170), (1185, 17710), (1265, 16590), (1518, 13825), (1610, 13035), (1650, 12719), (1659, 12650), (1725, 12166), (1738, 12075), (1771, 11850), (1817, 11550), (1925, 10902), (1975, 10626), (2310, 9085), (2370, 8855), (2415, 8690), (2530, 8295), (2607, 8050), (2765, 7590), (3318, 6325), (3450, 6083), (3542, 5925), (3634, 5775), (3795, 5530), (3850, 5451), (3950, 5313), (4025, 5214), (4345, 4830)]