20576399296

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{28729}}^1$

素因数の和:28810

約数の個数: 84

約数和(自身を含む): 44485072320

約数和(自身を除く): 23908673024

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 152, 248, 304, 361, 496, 589, 608, 722, 992, 1178, 1216, 1444, 1984, 2356, 2888, 4712, 5776, 9424, 11191, 11552, 18848, 22382, 23104, 28729, 37696, 44764, 57458, 89528, 114916, 179056, 229832, 358112, 459664, 545851, 716224, 890599, 919328, 1091702, 1781198, 1838656, 2183404, 3562396, 4366808, 7124792, 8733616, 10371169, 14249584, 16921381, 17467232, 20742338, 28499168, 33842762, 34934464, 41484676, 56998336, 67685524, 82969352, 135371048, 165938704, 270742096, 321506239, 331877408, 541484192, 643012478, 663754816, 1082968384, 1286024956, 2572049912, 5144099824, 10288199648, 20576399296]

約数ペア:

[(1, 20576399296), (2, 10288199648), (4, 5144099824), (8, 2572049912), (16, 1286024956), (19, 1082968384), (31, 663754816), (32, 643012478), (38, 541484192), (62, 331877408), (64, 321506239), (76, 270742096), (124, 165938704), (152, 135371048), (248, 82969352), (304, 67685524), (361, 56998336), (496, 41484676), (589, 34934464), (608, 33842762), (722, 28499168), (992, 20742338), (1178, 17467232), (1216, 16921381), (1444, 14249584), (1984, 10371169), (2356, 8733616), (2888, 7124792), (4712, 4366808), (5776, 3562396), (9424, 2183404), (11191, 1838656), (11552, 1781198), (18848, 1091702), (22382, 919328), (23104, 890599), (28729, 716224), (37696, 545851), (44764, 459664), (57458, 358112), (89528, 229832), (114916, 179056)]