20547450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{593}}^1$

素因数の和:629

約数の個数: 144

約数和(自身を含む): 68942016

約数和(自身を除く): 48394566

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 25, 30, 33, 35, 42, 45, 50, 55, 63, 66, 70, 75, 77, 90, 99, 105, 110, 126, 150, 154, 165, 175, 198, 210, 225, 231, 275, 315, 330, 350, 385, 450, 462, 495, 525, 550, 593, 630, 693, 770, 825, 990, 1050, 1155, 1186, 1386, 1575, 1650, 1779, 1925, 2310, 2475, 2965, 3150, 3465, 3558, 3850, 4151, 4950, 5337, 5775, 5930, 6523, 6930, 8302, 8895, 10674, 11550, 12453, 13046, 14825, 17325, 17790, 19569, 20755, 24906, 26685, 29650, 32615, 34650, 37359, 39138, 41510, 44475, 45661, 53370, 58707, 62265, 65230, 74718, 88950, 91322, 97845, 103775, 117414, 124530, 133425, 136983, 163075, 186795, 195690, 207550, 228305, 266850, 273966, 293535, 311325, 326150, 373590, 410949, 456610, 489225, 587070, 622650, 684915, 821898, 933975, 978450, 1141525, 1369830, 1467675, 1867950, 2054745, 2283050, 2935350, 3424575, 4109490, 6849150, 10273725, 20547450]

約数ペア:

[(1, 20547450), (2, 10273725), (3, 6849150), (5, 4109490), (6, 3424575), (7, 2935350), (9, 2283050), (10, 2054745), (11, 1867950), (14, 1467675), (15, 1369830), (18, 1141525), (21, 978450), (22, 933975), (25, 821898), (30, 684915), (33, 622650), (35, 587070), (42, 489225), (45, 456610), (50, 410949), (55, 373590), (63, 326150), (66, 311325), (70, 293535), (75, 273966), (77, 266850), (90, 228305), (99, 207550), (105, 195690), (110, 186795), (126, 163075), (150, 136983), (154, 133425), (165, 124530), (175, 117414), (198, 103775), (210, 97845), (225, 91322), (231, 88950), (275, 74718), (315, 65230), (330, 62265), (350, 58707), (385, 53370), (450, 45661), (462, 44475), (495, 41510), (525, 39138), (550, 37359), (593, 34650), (630, 32615), (693, 29650), (770, 26685), (825, 24906), (990, 20755), (1050, 19569), (1155, 17790), (1186, 17325), (1386, 14825), (1575, 13046), (1650, 12453), (1779, 11550), (1925, 10674), (2310, 8895), (2475, 8302), (2965, 6930), (3150, 6523), (3465, 5930), (3558, 5775), (3850, 5337), (4151, 4950)]