20493761988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{298621}}^1$

素因数の和:298697

約数の個数: 96

約数和(自身を含む): 58864368640

約数和(自身を除く): 38370606652

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 43, 57, 76, 84, 86, 114, 129, 133, 172, 228, 258, 266, 301, 399, 516, 532, 602, 798, 817, 903, 1204, 1596, 1634, 1806, 2451, 3268, 3612, 4902, 5719, 9804, 11438, 17157, 22876, 34314, 68628, 298621, 597242, 895863, 1194484, 1791726, 2090347, 3583452, 4180694, 5673799, 6271041, 8361388, 11347598, 12542082, 12840703, 17021397, 22695196, 25084164, 25681406, 34042794, 38522109, 39716593, 51362812, 68085588, 77044218, 79433186, 89884921, 119149779, 154088436, 158866372, 179769842, 238299558, 243973357, 269654763, 359539684, 476599116, 487946714, 539309526, 731920071, 975893428, 1078619052, 1463840142, 1707813499, 2927680284, 3415626998, 5123440497, 6831253996, 10246880994, 20493761988]

約数ペア:

[(1, 20493761988), (2, 10246880994), (3, 6831253996), (4, 5123440497), (6, 3415626998), (7, 2927680284), (12, 1707813499), (14, 1463840142), (19, 1078619052), (21, 975893428), (28, 731920071), (38, 539309526), (42, 487946714), (43, 476599116), (57, 359539684), (76, 269654763), (84, 243973357), (86, 238299558), (114, 179769842), (129, 158866372), (133, 154088436), (172, 119149779), (228, 89884921), (258, 79433186), (266, 77044218), (301, 68085588), (399, 51362812), (516, 39716593), (532, 38522109), (602, 34042794), (798, 25681406), (817, 25084164), (903, 22695196), (1204, 17021397), (1596, 12840703), (1634, 12542082), (1806, 11347598), (2451, 8361388), (3268, 6271041), (3612, 5673799), (4902, 4180694), (5719, 3583452), (9804, 2090347), (11438, 1791726), (17157, 1194484), (22876, 895863), (34314, 597242), (68628, 298621)]