20517745680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28496869}}^1$

素因数の和:28496888

約数の個数: 60

約数和(自身を含む): 68905431660

約数和(自身を除く): 48387685980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28496869, 56993738, 85490607, 113987476, 142484345, 170981214, 227974952, 256471821, 284968690, 341962428, 427453035, 455949904, 512943642, 569937380, 683924856, 854906070, 1025887284, 1139874760, 1282359105, 1367849712, 1709812140, 2051774568, 2279749520, 2564718210, 3419624280, 4103549136, 5129436420, 6839248560, 10258872840, 20517745680]

約数ペア:

[(1, 20517745680), (2, 10258872840), (3, 6839248560), (4, 5129436420), (5, 4103549136), (6, 3419624280), (8, 2564718210), (9, 2279749520), (10, 2051774568), (12, 1709812140), (15, 1367849712), (16, 1282359105), (18, 1139874760), (20, 1025887284), (24, 854906070), (30, 683924856), (36, 569937380), (40, 512943642), (45, 455949904), (48, 427453035), (60, 341962428), (72, 284968690), (80, 256471821), (90, 227974952), (120, 170981214), (144, 142484345), (180, 113987476), (240, 85490607), (360, 56993738), (720, 28496869)]