20356156980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{2141}}^1\times {\mathrm{5869}}^1$

素因数の和:8031

約数の個数: 120

約数和(自身を含む): 63898730280

約数和(自身を除く): 43542573300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 2141, 4282, 5869, 6423, 8564, 10705, 11738, 12846, 17607, 19269, 21410, 23476, 25692, 29345, 32115, 35214, 38538, 42820, 52821, 57807, 58690, 64230, 70428, 77076, 88035, 96345, 105642, 115614, 117380, 128460, 158463, 173421, 176070, 192690, 211284, 231228, 264105, 289035, 316926, 346842, 352140, 385380, 475389, 528210, 578070, 633852, 693684, 792315, 867105, 950778, 1056420, 1156140, 1584630, 1734210, 1901556, 2376945, 3169260, 3468420, 4753890, 9507780, 12565529, 25131058, 37696587, 50262116, 62827645, 75393174, 113089761, 125655290, 150786348, 188482935, 226179522, 251310580, 339269283, 376965870, 452359044, 565448805, 678538566, 753931740, 1017807849, 1130897610, 1357077132, 1696346415, 2035615698, 2261795220, 3392692830, 4071231396, 5089039245, 6785385660, 10178078490, 20356156980]

約数ペア:

[(1, 20356156980), (2, 10178078490), (3, 6785385660), (4, 5089039245), (5, 4071231396), (6, 3392692830), (9, 2261795220), (10, 2035615698), (12, 1696346415), (15, 1357077132), (18, 1130897610), (20, 1017807849), (27, 753931740), (30, 678538566), (36, 565448805), (45, 452359044), (54, 376965870), (60, 339269283), (81, 251310580), (90, 226179522), (108, 188482935), (135, 150786348), (162, 125655290), (180, 113089761), (270, 75393174), (324, 62827645), (405, 50262116), (540, 37696587), (810, 25131058), (1620, 12565529), (2141, 9507780), (4282, 4753890), (5869, 3468420), (6423, 3169260), (8564, 2376945), (10705, 1901556), (11738, 1734210), (12846, 1584630), (17607, 1156140), (19269, 1056420), (21410, 950778), (23476, 867105), (25692, 792315), (29345, 693684), (32115, 633852), (35214, 578070), (38538, 528210), (42820, 475389), (52821, 385380), (57807, 352140), (58690, 346842), (64230, 316926), (70428, 289035), (77076, 264105), (88035, 231228), (96345, 211284), (105642, 192690), (115614, 176070), (117380, 173421), (128460, 158463)]