20945100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{577}}^1$

素因数の和:616

約数の個数: 108

約数和(自身を含む): 66726632

約数和(自身を除く): 45781532

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 121, 132, 150, 165, 220, 242, 275, 300, 330, 363, 484, 550, 577, 605, 660, 726, 825, 1100, 1154, 1210, 1452, 1650, 1731, 1815, 2308, 2420, 2885, 3025, 3300, 3462, 3630, 5770, 6050, 6347, 6924, 7260, 8655, 9075, 11540, 12100, 12694, 14425, 17310, 18150, 19041, 25388, 28850, 31735, 34620, 36300, 38082, 43275, 57700, 63470, 69817, 76164, 86550, 95205, 126940, 139634, 158675, 173100, 190410, 209451, 279268, 317350, 349085, 380820, 418902, 476025, 634700, 698170, 837804, 952050, 1047255, 1396340, 1745425, 1904100, 2094510, 3490850, 4189020, 5236275, 6981700, 10472550, 20945100]

約数ペア:

[(1, 20945100), (2, 10472550), (3, 6981700), (4, 5236275), (5, 4189020), (6, 3490850), (10, 2094510), (11, 1904100), (12, 1745425), (15, 1396340), (20, 1047255), (22, 952050), (25, 837804), (30, 698170), (33, 634700), (44, 476025), (50, 418902), (55, 380820), (60, 349085), (66, 317350), (75, 279268), (100, 209451), (110, 190410), (121, 173100), (132, 158675), (150, 139634), (165, 126940), (220, 95205), (242, 86550), (275, 76164), (300, 69817), (330, 63470), (363, 57700), (484, 43275), (550, 38082), (577, 36300), (605, 34620), (660, 31735), (726, 28850), (825, 25388), (1100, 19041), (1154, 18150), (1210, 17310), (1452, 14425), (1650, 12694), (1731, 12100), (1815, 11540), (2308, 9075), (2420, 8655), (2885, 7260), (3025, 6924), (3300, 6347), (3462, 6050), (3630, 5770)]