20126196

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 53813760

約数和(自身を除く): 33687564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 109, 138, 207, 218, 223, 276, 327, 414, 436, 446, 654, 669, 828, 892, 981, 1308, 1338, 1962, 2007, 2507, 2676, 3924, 4014, 5014, 5129, 7521, 8028, 10028, 10258, 15042, 15387, 20516, 22563, 24307, 30084, 30774, 45126, 46161, 48614, 61548, 72921, 90252, 92322, 97228, 145842, 184644, 218763, 291684, 437526, 559061, 875052, 1118122, 1677183, 2236244, 3354366, 5031549, 6708732, 10063098, 20126196]

約数ペア:

[(1, 20126196), (2, 10063098), (3, 6708732), (4, 5031549), (6, 3354366), (9, 2236244), (12, 1677183), (18, 1118122), (23, 875052), (36, 559061), (46, 437526), (69, 291684), (92, 218763), (109, 184644), (138, 145842), (207, 97228), (218, 92322), (223, 90252), (276, 72921), (327, 61548), (414, 48614), (436, 46161), (446, 45126), (654, 30774), (669, 30084), (828, 24307), (892, 22563), (981, 20516), (1308, 15387), (1338, 15042), (1962, 10258), (2007, 10028), (2507, 8028), (2676, 7521), (3924, 5129), (4014, 5014)]