20075797940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1\times {\mathrm{7951}}^1$

素因数の和:8493

約数の個数: 96

約数和(自身を含む): 48093696000

約数和(自身を除く): 28017898060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 499, 506, 998, 1012, 1265, 1996, 2495, 2530, 4990, 5060, 5489, 7951, 9980, 10978, 11477, 15902, 21956, 22954, 27445, 31804, 39755, 45908, 54890, 57385, 79510, 87461, 109780, 114770, 126247, 159020, 174922, 182873, 229540, 252494, 349844, 365746, 437305, 504988, 631235, 731492, 874610, 914365, 1262470, 1749220, 1828730, 2011603, 2524940, 3657460, 3967549, 4023206, 7935098, 8046412, 10058015, 15870196, 19837745, 20116030, 39675490, 40232060, 43643039, 79350980, 87286078, 91253627, 174572156, 182507254, 218215195, 365014508, 436430390, 456268135, 872860780, 912536270, 1003789897, 1825072540, 2007579794, 4015159588, 5018949485, 10037898970, 20075797940]

約数ペア:

[(1, 20075797940), (2, 10037898970), (4, 5018949485), (5, 4015159588), (10, 2007579794), (11, 1825072540), (20, 1003789897), (22, 912536270), (23, 872860780), (44, 456268135), (46, 436430390), (55, 365014508), (92, 218215195), (110, 182507254), (115, 174572156), (220, 91253627), (230, 87286078), (253, 79350980), (460, 43643039), (499, 40232060), (506, 39675490), (998, 20116030), (1012, 19837745), (1265, 15870196), (1996, 10058015), (2495, 8046412), (2530, 7935098), (4990, 4023206), (5060, 3967549), (5489, 3657460), (7951, 2524940), (9980, 2011603), (10978, 1828730), (11477, 1749220), (15902, 1262470), (21956, 914365), (22954, 874610), (27445, 731492), (31804, 631235), (39755, 504988), (45908, 437305), (54890, 365746), (57385, 349844), (79510, 252494), (87461, 229540), (109780, 182873), (114770, 174922), (126247, 159020)]