20218330720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{48397}}^1$

素因数の和:48792

約数の個数: 96

約数和(自身を含む): 54736976448

約数和(自身を除く): 34518645728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 373, 560, 746, 1120, 1492, 1865, 2611, 2984, 3730, 5222, 5968, 7460, 10444, 11936, 13055, 14920, 20888, 26110, 29840, 41776, 48397, 52220, 59680, 83552, 96794, 104440, 193588, 208880, 241985, 338779, 387176, 417760, 483970, 677558, 774352, 967940, 1355116, 1548704, 1693895, 1935880, 2710232, 3387790, 3871760, 5420464, 6775580, 7743520, 10840928, 13551160, 18052081, 27102320, 36104162, 54204640, 72208324, 90260405, 126364567, 144416648, 180520810, 252729134, 288833296, 361041620, 505458268, 577666592, 631822835, 722083240, 1010916536, 1263645670, 1444166480, 2021833072, 2527291340, 2888332960, 4043666144, 5054582680, 10109165360, 20218330720]

約数ペア:

[(1, 20218330720), (2, 10109165360), (4, 5054582680), (5, 4043666144), (7, 2888332960), (8, 2527291340), (10, 2021833072), (14, 1444166480), (16, 1263645670), (20, 1010916536), (28, 722083240), (32, 631822835), (35, 577666592), (40, 505458268), (56, 361041620), (70, 288833296), (80, 252729134), (112, 180520810), (140, 144416648), (160, 126364567), (224, 90260405), (280, 72208324), (373, 54204640), (560, 36104162), (746, 27102320), (1120, 18052081), (1492, 13551160), (1865, 10840928), (2611, 7743520), (2984, 6775580), (3730, 5420464), (5222, 3871760), (5968, 3387790), (7460, 2710232), (10444, 1935880), (11936, 1693895), (13055, 1548704), (14920, 1355116), (20888, 967940), (26110, 774352), (29840, 677558), (41776, 483970), (48397, 417760), (52220, 387176), (59680, 338779), (83552, 241985), (96794, 208880), (104440, 193588)]