20233772895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:770

約数の個数: 128

約数和(自身を含む): 40017438720

約数和(自身を除く): 19783665825

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 61, 85, 105, 119, 183, 255, 289, 305, 357, 427, 595, 643, 867, 915, 1037, 1281, 1445, 1785, 1929, 2023, 2135, 3111, 3215, 4335, 4501, 4913, 5185, 6069, 6405, 7259, 9645, 10115, 10931, 13503, 14739, 15555, 17629, 21777, 22505, 24565, 30345, 32793, 34391, 36295, 39223, 52887, 54655, 67515, 73695, 76517, 88145, 103173, 108885, 117669, 123403, 163965, 171955, 185827, 196115, 229551, 264435, 274561, 299693, 370209, 382585, 515865, 557481, 588345, 617015, 666791, 823683, 899079, 929135, 1147755, 1300789, 1372805, 1498465, 1851045, 2000373, 2097851, 2787405, 3159059, 3333955, 3902367, 4118415, 4495395, 4667537, 6293553, 6503945, 9477177, 10001865, 10489255, 11335447, 14002611, 15795295, 19511835, 22113413, 23337685, 31467765, 34006341, 47385885, 56677235, 66340239, 70013055, 79348129, 110567065, 170031705, 192702599, 238044387, 331701195, 396740645, 578107797, 963512995, 1190221935, 1348918193, 2890538985, 4046754579, 6744590965, 20233772895]

約数ペア:

[(1, 20233772895), (3, 6744590965), (5, 4046754579), (7, 2890538985), (15, 1348918193), (17, 1190221935), (21, 963512995), (35, 578107797), (51, 396740645), (61, 331701195), (85, 238044387), (105, 192702599), (119, 170031705), (183, 110567065), (255, 79348129), (289, 70013055), (305, 66340239), (357, 56677235), (427, 47385885), (595, 34006341), (643, 31467765), (867, 23337685), (915, 22113413), (1037, 19511835), (1281, 15795295), (1445, 14002611), (1785, 11335447), (1929, 10489255), (2023, 10001865), (2135, 9477177), (3111, 6503945), (3215, 6293553), (4335, 4667537), (4501, 4495395), (4913, 4118415), (5185, 3902367), (6069, 3333955), (6405, 3159059), (7259, 2787405), (9645, 2097851), (10115, 2000373), (10931, 1851045), (13503, 1498465), (14739, 1372805), (15555, 1300789), (17629, 1147755), (21777, 929135), (22505, 899079), (24565, 823683), (30345, 666791), (32793, 617015), (34391, 588345), (36295, 557481), (39223, 515865), (52887, 382585), (54655, 370209), (67515, 299693), (73695, 274561), (76517, 264435), (88145, 229551), (103173, 196115), (108885, 185827), (117669, 171955), (123403, 163965)]