20121355870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{23311}}^1$

素因数の和:23414

約数の個数: 128

約数和(自身を含む): 48339763200

約数和(自身を除く): 28218407330

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 59, 70, 77, 95, 110, 118, 133, 154, 190, 209, 266, 295, 385, 413, 418, 590, 649, 665, 770, 826, 1045, 1121, 1298, 1330, 1463, 2065, 2090, 2242, 2926, 3245, 4130, 4543, 5605, 6490, 7315, 7847, 9086, 11210, 12331, 14630, 15694, 22715, 23311, 24662, 39235, 45430, 46622, 61655, 78470, 86317, 116555, 123310, 163177, 172634, 233110, 256421, 326354, 431585, 442909, 512842, 815885, 863170, 885818, 1282105, 1375349, 1631770, 1794947, 2214545, 2564210, 2750698, 3100363, 3589894, 4429090, 4871999, 6200726, 6876745, 8974735, 9627443, 9743998, 13753490, 15128839, 15501815, 17949470, 19254886, 24359995, 26131631, 30257678, 31003630, 34103993, 48137215, 48719990, 52263262, 68207986, 75644195, 96274430, 105901873, 130658155, 151288390, 170519965, 182921417, 211803746, 261316310, 287447941, 341039930, 365842834, 529509365, 574895882, 914607085, 1059018730, 1437239705, 1829214170, 2012135587, 2874479410, 4024271174, 10060677935, 20121355870]

約数ペア:

[(1, 20121355870), (2, 10060677935), (5, 4024271174), (7, 2874479410), (10, 2012135587), (11, 1829214170), (14, 1437239705), (19, 1059018730), (22, 914607085), (35, 574895882), (38, 529509365), (55, 365842834), (59, 341039930), (70, 287447941), (77, 261316310), (95, 211803746), (110, 182921417), (118, 170519965), (133, 151288390), (154, 130658155), (190, 105901873), (209, 96274430), (266, 75644195), (295, 68207986), (385, 52263262), (413, 48719990), (418, 48137215), (590, 34103993), (649, 31003630), (665, 30257678), (770, 26131631), (826, 24359995), (1045, 19254886), (1121, 17949470), (1298, 15501815), (1330, 15128839), (1463, 13753490), (2065, 9743998), (2090, 9627443), (2242, 8974735), (2926, 6876745), (3245, 6200726), (4130, 4871999), (4543, 4429090), (5605, 3589894), (6490, 3100363), (7315, 2750698), (7847, 2564210), (9086, 2214545), (11210, 1794947), (12331, 1631770), (14630, 1375349), (15694, 1282105), (22715, 885818), (23311, 863170), (24662, 815885), (39235, 512842), (45430, 442909), (46622, 431585), (61655, 326354), (78470, 256421), (86317, 233110), (116555, 172634), (123310, 163177)]