20731022793476

素因数分解:

$2^2\times {\mathrm{17}}^3\times {\mathrm{79}}^1\times {\mathrm{13353247}}^1$

素因数の和:13353381

約数の個数: 48

約数和(自身を含む): 39034214553600

約数和(自身を除く): 18303191760124

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 289, 316, 578, 1156, 1343, 2686, 4913, 5372, 9826, 19652, 22831, 45662, 91324, 388127, 776254, 1552508, 13353247, 26706494, 53412988, 227005199, 454010398, 908020796, 1054906513, 2109813026, 3859088383, 4219626052, 7718176766, 15436353532, 17933410721, 35866821442, 65604502511, 71733642884, 131209005022, 262418010044, 304867982257, 609735964514, 1219471929028, 5182755698369, 10365511396738, 20731022793476]

約数ペア:

[(1, 20731022793476), (2, 10365511396738), (4, 5182755698369), (17, 1219471929028), (34, 609735964514), (68, 304867982257), (79, 262418010044), (158, 131209005022), (289, 71733642884), (316, 65604502511), (578, 35866821442), (1156, 17933410721), (1343, 15436353532), (2686, 7718176766), (4913, 4219626052), (5372, 3859088383), (9826, 2109813026), (19652, 1054906513), (22831, 908020796), (45662, 454010398), (91324, 227005199), (388127, 53412988), (776254, 26706494), (1552508, 13353247)]