20199756388

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{420163}}^1$

素因数の和:420292

約数の個数: 48

約数和(自身を含む): 43199581824

約数和(自身を除く): 22999825436

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 101, 119, 202, 238, 404, 476, 707, 1414, 1717, 2828, 3434, 6868, 12019, 24038, 48076, 420163, 840326, 1680652, 2941141, 5882282, 7142771, 11764564, 14285542, 28571084, 42436463, 49999397, 84872926, 99998794, 169745852, 199997588, 297055241, 594110482, 721419871, 1188220964, 1442839742, 2885679484, 5049939097, 10099878194, 20199756388]

約数ペア:

[(1, 20199756388), (2, 10099878194), (4, 5049939097), (7, 2885679484), (14, 1442839742), (17, 1188220964), (28, 721419871), (34, 594110482), (68, 297055241), (101, 199997588), (119, 169745852), (202, 99998794), (238, 84872926), (404, 49999397), (476, 42436463), (707, 28571084), (1414, 14285542), (1717, 11764564), (2828, 7142771), (3434, 5882282), (6868, 2941141), (12019, 1680652), (24038, 840326), (48076, 420163)]