20768520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9109}}^1$

素因数の和:9142

約数の個数: 64

約数和(自身を含む): 65592000

約数和(自身を除く): 44823480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9109, 18218, 27327, 36436, 45545, 54654, 72872, 91090, 109308, 136635, 173071, 182180, 218616, 273270, 346142, 364360, 519213, 546540, 692284, 865355, 1038426, 1093080, 1384568, 1730710, 2076852, 2596065, 3461420, 4153704, 5192130, 6922840, 10384260, 20768520]

約数ペア:

[(1, 20768520), (2, 10384260), (3, 6922840), (4, 5192130), (5, 4153704), (6, 3461420), (8, 2596065), (10, 2076852), (12, 1730710), (15, 1384568), (19, 1093080), (20, 1038426), (24, 865355), (30, 692284), (38, 546540), (40, 519213), (57, 364360), (60, 346142), (76, 273270), (95, 218616), (114, 182180), (120, 173071), (152, 136635), (190, 109308), (228, 91090), (285, 72872), (380, 54654), (456, 45545), (570, 36436), (760, 27327), (1140, 18218), (2280, 9109)]