20120155928

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1721}}^1$

素因数の和:1881

約数の個数: 128

約数和(自身を含む): 42848870400

約数和(自身を除く): 22728714472

約数列:

[1, 2, 4, 8, 17, 31, 34, 47, 59, 62, 68, 94, 118, 124, 136, 188, 236, 248, 376, 472, 527, 799, 1003, 1054, 1457, 1598, 1721, 1829, 2006, 2108, 2773, 2914, 3196, 3442, 3658, 4012, 4216, 5546, 5828, 6392, 6884, 7316, 8024, 11092, 11656, 13768, 14632, 22184, 24769, 29257, 31093, 47141, 49538, 53351, 58514, 62186, 80887, 85963, 94282, 99076, 101539, 106702, 117028, 124372, 161774, 171926, 188564, 198152, 203078, 213404, 234056, 248744, 323548, 343852, 377128, 406156, 426808, 647096, 687704, 812312, 906967, 1375079, 1461371, 1726163, 1813934, 2507497, 2750158, 2922742, 3147709, 3452326, 3627868, 4772333, 5014994, 5500316, 5845484, 6295418, 6904652, 7255736, 9544666, 10029988, 11000632, 11690968, 12590836, 13809304, 19089332, 20059976, 25181672, 38178664, 42627449, 53511053, 81129661, 85254898, 107022106, 147942323, 162259322, 170509796, 214044212, 295884646, 324518644, 341019592, 428088424, 591769292, 649037288, 1183538584, 2515019491, 5030038982, 10060077964, 20120155928]

約数ペア:

[(1, 20120155928), (2, 10060077964), (4, 5030038982), (8, 2515019491), (17, 1183538584), (31, 649037288), (34, 591769292), (47, 428088424), (59, 341019592), (62, 324518644), (68, 295884646), (94, 214044212), (118, 170509796), (124, 162259322), (136, 147942323), (188, 107022106), (236, 85254898), (248, 81129661), (376, 53511053), (472, 42627449), (527, 38178664), (799, 25181672), (1003, 20059976), (1054, 19089332), (1457, 13809304), (1598, 12590836), (1721, 11690968), (1829, 11000632), (2006, 10029988), (2108, 9544666), (2773, 7255736), (2914, 6904652), (3196, 6295418), (3442, 5845484), (3658, 5500316), (4012, 5014994), (4216, 4772333), (5546, 3627868), (5828, 3452326), (6392, 3147709), (6884, 2922742), (7316, 2750158), (8024, 2507497), (11092, 1813934), (11656, 1726163), (13768, 1461371), (14632, 1375079), (22184, 906967), (24769, 812312), (29257, 687704), (31093, 647096), (47141, 426808), (49538, 406156), (53351, 377128), (58514, 343852), (62186, 323548), (80887, 248744), (85963, 234056), (94282, 213404), (99076, 203078), (101539, 198152), (106702, 188564), (117028, 171926), (124372, 161774)]