20374900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2239}}^1$

素因数の和:2273

約数の個数: 72

約数和(自身を含む): 54440960

約数和(自身を除く): 34066060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2239, 2275, 4478, 4550, 8956, 9100, 11195, 15673, 22390, 29107, 31346, 44780, 55975, 58214, 62692, 78365, 111950, 116428, 145535, 156730, 203749, 223900, 291070, 313460, 391825, 407498, 582140, 727675, 783650, 814996, 1018745, 1455350, 1567300, 2037490, 2910700, 4074980, 5093725, 10187450, 20374900]

約数ペア:

[(1, 20374900), (2, 10187450), (4, 5093725), (5, 4074980), (7, 2910700), (10, 2037490), (13, 1567300), (14, 1455350), (20, 1018745), (25, 814996), (26, 783650), (28, 727675), (35, 582140), (50, 407498), (52, 391825), (65, 313460), (70, 291070), (91, 223900), (100, 203749), (130, 156730), (140, 145535), (175, 116428), (182, 111950), (260, 78365), (325, 62692), (350, 58214), (364, 55975), (455, 44780), (650, 31346), (700, 29107), (910, 22390), (1300, 15673), (1820, 11195), (2239, 9100), (2275, 8956), (4478, 4550)]