20996957600

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1141139}}^1$

素因数の和:1141182

約数の個数: 72

約数和(自身を含む): 53487514080

約数和(自身を除く): 32490556480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 160, 184, 200, 230, 368, 400, 460, 575, 736, 800, 920, 1150, 1840, 2300, 3680, 4600, 9200, 18400, 1141139, 2282278, 4564556, 5705695, 9129112, 11411390, 18258224, 22822780, 26246197, 28528475, 36516448, 45645560, 52492394, 57056950, 91291120, 104984788, 114113900, 131230985, 182582240, 209969576, 228227800, 262461970, 419939152, 456455600, 524923940, 656154925, 839878304, 912911200, 1049847880, 1312309850, 2099695760, 2624619700, 4199391520, 5249239400, 10498478800, 20996957600]

約数ペア:

[(1, 20996957600), (2, 10498478800), (4, 5249239400), (5, 4199391520), (8, 2624619700), (10, 2099695760), (16, 1312309850), (20, 1049847880), (23, 912911200), (25, 839878304), (32, 656154925), (40, 524923940), (46, 456455600), (50, 419939152), (80, 262461970), (92, 228227800), (100, 209969576), (115, 182582240), (160, 131230985), (184, 114113900), (200, 104984788), (230, 91291120), (368, 57056950), (400, 52492394), (460, 45645560), (575, 36516448), (736, 28528475), (800, 26246197), (920, 22822780), (1150, 18258224), (1840, 11411390), (2300, 9129112), (3680, 5705695), (4600, 4564556), (9200, 2282278), (18400, 1141139)]