20209879888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1\times {\mathrm{11239}}^1$

素因数の和:11876

約数の個数: 80

約数和(自身を含む): 45308350080

約数和(自身を除く): 25098470192

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 601, 748, 1202, 1496, 2404, 2992, 4808, 6611, 9616, 10217, 11239, 13222, 20434, 22478, 26444, 40868, 44956, 52888, 81736, 89912, 105776, 112387, 123629, 163472, 179824, 191063, 224774, 247258, 382126, 449548, 494516, 764252, 899096, 989032, 1528504, 1798192, 1978064, 2101693, 3057008, 4203386, 6754639, 8406772, 13509278, 16813544, 27018556, 33627088, 54037112, 74301029, 108074224, 114828863, 148602058, 229657726, 297204116, 459315452, 594408232, 918630904, 1188816464, 1263117493, 1837261808, 2526234986, 5052469972, 10104939944, 20209879888]

約数ペア:

[(1, 20209879888), (2, 10104939944), (4, 5052469972), (8, 2526234986), (11, 1837261808), (16, 1263117493), (17, 1188816464), (22, 918630904), (34, 594408232), (44, 459315452), (68, 297204116), (88, 229657726), (136, 148602058), (176, 114828863), (187, 108074224), (272, 74301029), (374, 54037112), (601, 33627088), (748, 27018556), (1202, 16813544), (1496, 13509278), (2404, 8406772), (2992, 6754639), (4808, 4203386), (6611, 3057008), (9616, 2101693), (10217, 1978064), (11239, 1798192), (13222, 1528504), (20434, 989032), (22478, 899096), (26444, 764252), (40868, 494516), (44956, 449548), (52888, 382126), (81736, 247258), (89912, 224774), (105776, 191063), (112387, 179824), (123629, 163472)]