20289330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 56862000

約数和(自身を除く): 36572670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 89, 90, 102, 149, 153, 170, 178, 255, 267, 298, 306, 445, 447, 510, 534, 745, 765, 801, 890, 894, 1335, 1341, 1490, 1513, 1530, 1602, 2235, 2533, 2670, 2682, 3026, 4005, 4470, 4539, 5066, 6705, 7565, 7599, 8010, 9078, 12665, 13261, 13410, 13617, 15130, 15198, 22695, 22797, 25330, 26522, 27234, 37995, 39783, 45390, 45594, 66305, 68085, 75990, 79566, 113985, 119349, 132610, 136170, 198915, 225437, 227970, 238698, 397830, 450874, 596745, 676311, 1127185, 1193490, 1352622, 2028933, 2254370, 3381555, 4057866, 6763110, 10144665, 20289330]

約数ペア:

[(1, 20289330), (2, 10144665), (3, 6763110), (5, 4057866), (6, 3381555), (9, 2254370), (10, 2028933), (15, 1352622), (17, 1193490), (18, 1127185), (30, 676311), (34, 596745), (45, 450874), (51, 397830), (85, 238698), (89, 227970), (90, 225437), (102, 198915), (149, 136170), (153, 132610), (170, 119349), (178, 113985), (255, 79566), (267, 75990), (298, 68085), (306, 66305), (445, 45594), (447, 45390), (510, 39783), (534, 37995), (745, 27234), (765, 26522), (801, 25330), (890, 22797), (894, 22695), (1335, 15198), (1341, 15130), (1490, 13617), (1513, 13410), (1530, 13261), (1602, 12665), (2235, 9078), (2533, 8010), (2670, 7599), (2682, 7565), (3026, 6705), (4005, 5066), (4470, 4539)]