20199145928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1229}}^1\times {\mathrm{6871}}^1$

素因数の和:8142

約数の個数: 64

約数和(自身を含む): 42600902400

約数和(自身を除く): 22401756472

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 1229, 2392, 2458, 4916, 6871, 9832, 13742, 15977, 27484, 28267, 31954, 54968, 56534, 63908, 89323, 113068, 127816, 158033, 178646, 226136, 316066, 357292, 367471, 632132, 714584, 734942, 1264264, 1469884, 2054429, 2939768, 4108858, 8217716, 8444459, 16435432, 16888918, 33777836, 67555672, 109777967, 194222557, 219555934, 388445114, 439111868, 776890228, 878223736, 1553780456, 2524893241, 5049786482, 10099572964, 20199145928]

約数ペア:

[(1, 20199145928), (2, 10099572964), (4, 5049786482), (8, 2524893241), (13, 1553780456), (23, 878223736), (26, 776890228), (46, 439111868), (52, 388445114), (92, 219555934), (104, 194222557), (184, 109777967), (299, 67555672), (598, 33777836), (1196, 16888918), (1229, 16435432), (2392, 8444459), (2458, 8217716), (4916, 4108858), (6871, 2939768), (9832, 2054429), (13742, 1469884), (15977, 1264264), (27484, 734942), (28267, 714584), (31954, 632132), (54968, 367471), (56534, 357292), (63908, 316066), (89323, 226136), (113068, 178646), (127816, 158033)]