20456799990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{211571}}^1$

素因数の和:211885

約数の個数: 64

約数和(自身を含む): 53742673152

約数和(自身を除く): 33285873162

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 293, 330, 586, 879, 1465, 1758, 2930, 3223, 4395, 6446, 8790, 9669, 16115, 19338, 32230, 48345, 96690, 211571, 423142, 634713, 1057855, 1269426, 2115710, 2327281, 3173565, 4654562, 6347130, 6981843, 11636405, 13963686, 23272810, 34909215, 61990303, 69818430, 123980606, 185970909, 309951515, 371941818, 619903030, 681893333, 929854545, 1363786666, 1859709090, 2045679999, 3409466665, 4091359998, 6818933330, 10228399995, 20456799990]

約数ペア:

[(1, 20456799990), (2, 10228399995), (3, 6818933330), (5, 4091359998), (6, 3409466665), (10, 2045679999), (11, 1859709090), (15, 1363786666), (22, 929854545), (30, 681893333), (33, 619903030), (55, 371941818), (66, 309951515), (110, 185970909), (165, 123980606), (293, 69818430), (330, 61990303), (586, 34909215), (879, 23272810), (1465, 13963686), (1758, 11636405), (2930, 6981843), (3223, 6347130), (4395, 4654562), (6446, 3173565), (8790, 2327281), (9669, 2115710), (16115, 1269426), (19338, 1057855), (32230, 634713), (48345, 423142), (96690, 211571)]