20199113902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1\times {\mathrm{829}}^1$

素因数の和:1753

約数の個数: 64

約数和(自身を含む): 35368358400

約数和(自身を除く): 15169244498

約数列:

[1, 2, 11, 19, 22, 38, 71, 142, 209, 418, 781, 821, 829, 1349, 1562, 1642, 1658, 2698, 9031, 9119, 14839, 15599, 15751, 18062, 18238, 29678, 31198, 31502, 58291, 58859, 116582, 117718, 171589, 173261, 343178, 346522, 641201, 647449, 680609, 1107529, 1118321, 1282402, 1294898, 1361218, 2215058, 2236642, 7486699, 12182819, 12301531, 12931571, 14973398, 24365638, 24603062, 25863142, 48323239, 96646478, 142247281, 284494562, 531555629, 918141541, 1063111258, 1836283082, 10099556951, 20199113902]

約数ペア:

[(1, 20199113902), (2, 10099556951), (11, 1836283082), (19, 1063111258), (22, 918141541), (38, 531555629), (71, 284494562), (142, 142247281), (209, 96646478), (418, 48323239), (781, 25863142), (821, 24603062), (829, 24365638), (1349, 14973398), (1562, 12931571), (1642, 12301531), (1658, 12182819), (2698, 7486699), (9031, 2236642), (9119, 2215058), (14839, 1361218), (15599, 1294898), (15751, 1282402), (18062, 1118321), (18238, 1107529), (29678, 680609), (31198, 647449), (31502, 641201), (58291, 346522), (58859, 343178), (116582, 173261), (117718, 171589)]