20100471356

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{127}}^1\times {\mathrm{19559}}^1$

素因数の和:19731

約数の個数: 72

約数和(自身を含む): 43043266560

約数和(自身を除く): 22942795204

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 127, 238, 254, 289, 476, 508, 578, 889, 1156, 1778, 2023, 2159, 3556, 4046, 4318, 8092, 8636, 15113, 19559, 30226, 36703, 39118, 60452, 73406, 78236, 136913, 146812, 256921, 273826, 332503, 513842, 547652, 665006, 1027684, 1330012, 2327521, 2483993, 4655042, 4967986, 5652551, 9310084, 9935972, 11305102, 17387951, 22610204, 34775902, 39567857, 42227881, 69551804, 79135714, 84455762, 158271428, 168911524, 295595167, 591190334, 717873977, 1182380668, 1435747954, 2871495908, 5025117839, 10050235678, 20100471356]

約数ペア:

[(1, 20100471356), (2, 10050235678), (4, 5025117839), (7, 2871495908), (14, 1435747954), (17, 1182380668), (28, 717873977), (34, 591190334), (68, 295595167), (119, 168911524), (127, 158271428), (238, 84455762), (254, 79135714), (289, 69551804), (476, 42227881), (508, 39567857), (578, 34775902), (889, 22610204), (1156, 17387951), (1778, 11305102), (2023, 9935972), (2159, 9310084), (3556, 5652551), (4046, 4967986), (4318, 4655042), (8092, 2483993), (8636, 2327521), (15113, 1330012), (19559, 1027684), (30226, 665006), (36703, 547652), (39118, 513842), (60452, 332503), (73406, 273826), (78236, 256921), (136913, 146812)]