20090169764

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2221381}}^1$

素因数の和:2221428

約数の個数: 48

約数和(自身を含む): 44783061120

約数和(自身を除く): 24692891356

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 2261, 4522, 9044, 2221381, 4442762, 8885524, 15549667, 31099334, 37763477, 42206239, 62198668, 75526954, 84412478, 151053908, 168824956, 264344339, 295443673, 528688678, 590887346, 717506063, 1057377356, 1181774692, 1435012126, 2870024252, 5022542441, 10045084882, 20090169764]

約数ペア:

[(1, 20090169764), (2, 10045084882), (4, 5022542441), (7, 2870024252), (14, 1435012126), (17, 1181774692), (19, 1057377356), (28, 717506063), (34, 590887346), (38, 528688678), (68, 295443673), (76, 264344339), (119, 168824956), (133, 151053908), (238, 84412478), (266, 75526954), (323, 62198668), (476, 42206239), (532, 37763477), (646, 31099334), (1292, 15549667), (2261, 8885524), (4522, 4442762), (9044, 2221381)]