20179027160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3391}}^1\times {\mathrm{4799}}^1$

素因数の和:8232

約数の個数: 64

約数和(自身を含む): 46891008000

約数和(自身を除く): 26711980840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 3391, 4799, 6782, 9598, 13564, 16955, 19196, 23995, 27128, 33910, 38392, 47990, 67820, 95980, 105121, 135640, 148769, 191960, 210242, 297538, 420484, 525605, 595076, 743845, 840968, 1051210, 1190152, 1487690, 2102420, 2975380, 4204840, 5950760, 16273409, 32546818, 65093636, 81367045, 130187272, 162734090, 325468180, 504475679, 650936360, 1008951358, 2017902716, 2522378395, 4035805432, 5044756790, 10089513580, 20179027160]

約数ペア:

[(1, 20179027160), (2, 10089513580), (4, 5044756790), (5, 4035805432), (8, 2522378395), (10, 2017902716), (20, 1008951358), (31, 650936360), (40, 504475679), (62, 325468180), (124, 162734090), (155, 130187272), (248, 81367045), (310, 65093636), (620, 32546818), (1240, 16273409), (3391, 5950760), (4799, 4204840), (6782, 2975380), (9598, 2102420), (13564, 1487690), (16955, 1190152), (19196, 1051210), (23995, 840968), (27128, 743845), (33910, 595076), (38392, 525605), (47990, 420484), (67820, 297538), (95980, 210242), (105121, 191960), (135640, 148769)]