20772480575

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{6791}}^1$

素因数の和:7053

約数の個数: 72

約数和(自身を含む): 32836005504

約数和(自身を除く): 12063524929

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 175, 227, 245, 275, 385, 539, 1135, 1225, 1589, 1925, 2497, 2695, 5675, 6791, 7945, 11123, 12485, 13475, 17479, 33955, 39725, 47537, 55615, 62425, 74701, 87395, 122353, 169775, 237685, 278075, 332759, 373505, 436975, 522907, 611765, 1188425, 1541557, 1663795, 1867525, 2614535, 3058825, 3660349, 7707785, 8318975, 10790899, 13072675, 16957127, 18301745, 38538925, 53954495, 75536293, 84785635, 91508725, 118699889, 269772475, 377681465, 423928175, 593499445, 830899223, 1888407325, 2967497225, 4154496115, 20772480575]

約数ペア:

[(1, 20772480575), (5, 4154496115), (7, 2967497225), (11, 1888407325), (25, 830899223), (35, 593499445), (49, 423928175), (55, 377681465), (77, 269772475), (175, 118699889), (227, 91508725), (245, 84785635), (275, 75536293), (385, 53954495), (539, 38538925), (1135, 18301745), (1225, 16957127), (1589, 13072675), (1925, 10790899), (2497, 8318975), (2695, 7707785), (5675, 3660349), (6791, 3058825), (7945, 2614535), (11123, 1867525), (12485, 1663795), (13475, 1541557), (17479, 1188425), (33955, 611765), (39725, 522907), (47537, 436975), (55615, 373505), (62425, 332759), (74701, 278075), (87395, 237685), (122353, 169775)]