20248829900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{379903}}^1$

素因数の和:379971

約数の個数: 72

約数和(自身を含む): 48474230784

約数和(自身を除く): 28225400884

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 164, 205, 260, 325, 410, 533, 650, 820, 1025, 1066, 1300, 2050, 2132, 2665, 4100, 5330, 10660, 13325, 26650, 53300, 379903, 759806, 1519612, 1899515, 3799030, 4938739, 7598060, 9497575, 9877478, 15576023, 18995150, 19754956, 24693695, 31152046, 37990300, 49387390, 62304092, 77880115, 98774780, 123468475, 155760230, 202488299, 246936950, 311520460, 389400575, 404976598, 493873900, 778801150, 809953196, 1012441495, 1557602300, 2024882990, 4049765980, 5062207475, 10124414950, 20248829900]

約数ペア:

[(1, 20248829900), (2, 10124414950), (4, 5062207475), (5, 4049765980), (10, 2024882990), (13, 1557602300), (20, 1012441495), (25, 809953196), (26, 778801150), (41, 493873900), (50, 404976598), (52, 389400575), (65, 311520460), (82, 246936950), (100, 202488299), (130, 155760230), (164, 123468475), (205, 98774780), (260, 77880115), (325, 62304092), (410, 49387390), (533, 37990300), (650, 31152046), (820, 24693695), (1025, 19754956), (1066, 18995150), (1300, 15576023), (2050, 9877478), (2132, 9497575), (2665, 7598060), (4100, 4938739), (5330, 3799030), (10660, 1899515), (13325, 1519612), (26650, 759806), (53300, 379903)]