20797833100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{743}}^1\times {\mathrm{25447}}^1$

素因数の和:26215

約数の個数: 72

約数和(自身を含む): 49302344448

約数和(自身を除く): 28504511348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 743, 1100, 1486, 2972, 3715, 7430, 8173, 14860, 16346, 18575, 25447, 32692, 37150, 40865, 50894, 74300, 81730, 101788, 127235, 163460, 204325, 254470, 279917, 408650, 508940, 559834, 636175, 817300, 1119668, 1272350, 1399585, 2544700, 2799170, 5598340, 6997925, 13995850, 18907121, 27991700, 37814242, 75628484, 94535605, 189071210, 207978331, 378142420, 415956662, 472678025, 831913324, 945356050, 1039891655, 1890712100, 2079783310, 4159566620, 5199458275, 10398916550, 20797833100]

約数ペア:

[(1, 20797833100), (2, 10398916550), (4, 5199458275), (5, 4159566620), (10, 2079783310), (11, 1890712100), (20, 1039891655), (22, 945356050), (25, 831913324), (44, 472678025), (50, 415956662), (55, 378142420), (100, 207978331), (110, 189071210), (220, 94535605), (275, 75628484), (550, 37814242), (743, 27991700), (1100, 18907121), (1486, 13995850), (2972, 6997925), (3715, 5598340), (7430, 2799170), (8173, 2544700), (14860, 1399585), (16346, 1272350), (18575, 1119668), (25447, 817300), (32692, 636175), (37150, 559834), (40865, 508940), (50894, 408650), (74300, 279917), (81730, 254470), (101788, 204325), (127235, 163460)]