20903850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 63370944

約数和(自身を除く): 42467094

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 41, 45, 50, 55, 66, 75, 82, 90, 99, 103, 110, 123, 150, 165, 198, 205, 206, 225, 246, 275, 309, 330, 369, 410, 450, 451, 495, 515, 550, 615, 618, 738, 825, 902, 927, 990, 1025, 1030, 1133, 1230, 1353, 1545, 1650, 1845, 1854, 2050, 2255, 2266, 2475, 2575, 2706, 3075, 3090, 3399, 3690, 4059, 4223, 4510, 4635, 4950, 5150, 5665, 6150, 6765, 6798, 7725, 8118, 8446, 9225, 9270, 10197, 11275, 11330, 12669, 13530, 15450, 16995, 18450, 20295, 20394, 21115, 22550, 23175, 25338, 28325, 33825, 33990, 38007, 40590, 42230, 46350, 46453, 50985, 56650, 63345, 67650, 76014, 84975, 92906, 101475, 101970, 105575, 126690, 139359, 169950, 190035, 202950, 211150, 232265, 254925, 278718, 316725, 380070, 418077, 464530, 509850, 633450, 696795, 836154, 950175, 1161325, 1393590, 1900350, 2090385, 2322650, 3483975, 4180770, 6967950, 10451925, 20903850]

約数ペア:

[(1, 20903850), (2, 10451925), (3, 6967950), (5, 4180770), (6, 3483975), (9, 2322650), (10, 2090385), (11, 1900350), (15, 1393590), (18, 1161325), (22, 950175), (25, 836154), (30, 696795), (33, 633450), (41, 509850), (45, 464530), (50, 418077), (55, 380070), (66, 316725), (75, 278718), (82, 254925), (90, 232265), (99, 211150), (103, 202950), (110, 190035), (123, 169950), (150, 139359), (165, 126690), (198, 105575), (205, 101970), (206, 101475), (225, 92906), (246, 84975), (275, 76014), (309, 67650), (330, 63345), (369, 56650), (410, 50985), (450, 46453), (451, 46350), (495, 42230), (515, 40590), (550, 38007), (615, 33990), (618, 33825), (738, 28325), (825, 25338), (902, 23175), (927, 22550), (990, 21115), (1025, 20394), (1030, 20295), (1133, 18450), (1230, 16995), (1353, 15450), (1545, 13530), (1650, 12669), (1845, 11330), (1854, 11275), (2050, 10197), (2255, 9270), (2266, 9225), (2475, 8446), (2575, 8118), (2706, 7725), (3075, 6798), (3090, 6765), (3399, 6150), (3690, 5665), (4059, 5150), (4223, 4950), (4510, 4635)]