20725686

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 49455360

約数和(自身を除く): 28729674

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 107, 153, 211, 214, 306, 321, 422, 459, 633, 642, 918, 963, 1266, 1819, 1899, 1926, 2889, 3587, 3638, 3798, 5457, 5697, 5778, 7174, 10761, 10914, 11394, 16371, 21522, 22577, 32283, 32742, 45154, 49113, 64566, 67731, 96849, 98226, 135462, 193698, 203193, 383809, 406386, 609579, 767618, 1151427, 1219158, 2302854, 3454281, 6908562, 10362843, 20725686]

約数ペア:

[(1, 20725686), (2, 10362843), (3, 6908562), (6, 3454281), (9, 2302854), (17, 1219158), (18, 1151427), (27, 767618), (34, 609579), (51, 406386), (54, 383809), (102, 203193), (107, 193698), (153, 135462), (211, 98226), (214, 96849), (306, 67731), (321, 64566), (422, 49113), (459, 45154), (633, 32742), (642, 32283), (918, 22577), (963, 21522), (1266, 16371), (1819, 11394), (1899, 10914), (1926, 10761), (2889, 7174), (3587, 5778), (3638, 5697), (3798, 5457)]