20193359420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2657}}^1\times {\mathrm{29231}}^1$

素因数の和:31910

約数の個数: 48

約数和(自身を含む): 45686809728

約数和(自身を除く): 25493450308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2657, 5314, 10628, 13285, 26570, 29231, 34541, 53140, 58462, 69082, 116924, 138164, 146155, 172705, 292310, 345410, 380003, 584620, 690820, 760006, 1520012, 1900015, 3800030, 7600060, 77666767, 155333534, 310667068, 388333835, 776667670, 1009667971, 1553335340, 2019335942, 4038671884, 5048339855, 10096679710, 20193359420]

約数ペア:

[(1, 20193359420), (2, 10096679710), (4, 5048339855), (5, 4038671884), (10, 2019335942), (13, 1553335340), (20, 1009667971), (26, 776667670), (52, 388333835), (65, 310667068), (130, 155333534), (260, 77666767), (2657, 7600060), (5314, 3800030), (10628, 1900015), (13285, 1520012), (26570, 760006), (29231, 690820), (34541, 584620), (53140, 380003), (58462, 345410), (69082, 292310), (116924, 172705), (138164, 146155)]