20051676

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 53892384

約数和(自身を除く): 33840708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 61, 69, 92, 122, 138, 183, 207, 244, 276, 366, 397, 414, 549, 732, 794, 828, 1098, 1191, 1403, 1588, 2196, 2382, 2806, 3573, 4209, 4764, 5612, 7146, 8418, 9131, 12627, 14292, 16836, 18262, 24217, 25254, 27393, 36524, 48434, 50508, 54786, 72651, 82179, 96868, 109572, 145302, 164358, 217953, 290604, 328716, 435906, 556991, 871812, 1113982, 1670973, 2227964, 3341946, 5012919, 6683892, 10025838, 20051676]

約数ペア:

[(1, 20051676), (2, 10025838), (3, 6683892), (4, 5012919), (6, 3341946), (9, 2227964), (12, 1670973), (18, 1113982), (23, 871812), (36, 556991), (46, 435906), (61, 328716), (69, 290604), (92, 217953), (122, 164358), (138, 145302), (183, 109572), (207, 96868), (244, 82179), (276, 72651), (366, 54786), (397, 50508), (414, 48434), (549, 36524), (732, 27393), (794, 25254), (828, 24217), (1098, 18262), (1191, 16836), (1403, 14292), (1588, 12627), (2196, 9131), (2382, 8418), (2806, 7146), (3573, 5612), (4209, 4764)]