20472270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7499}}^1$

素因数の和:7529

約数の個数: 64

約数和(自身を含む): 60480000

約数和(自身を除く): 40007730

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7499, 14998, 22497, 37495, 44994, 52493, 74990, 97487, 104986, 112485, 157479, 194974, 224970, 262465, 292461, 314958, 487435, 524930, 584922, 682409, 787395, 974870, 1364818, 1462305, 1574790, 2047227, 2924610, 3412045, 4094454, 6824090, 10236135, 20472270]

約数ペア:

[(1, 20472270), (2, 10236135), (3, 6824090), (5, 4094454), (6, 3412045), (7, 2924610), (10, 2047227), (13, 1574790), (14, 1462305), (15, 1364818), (21, 974870), (26, 787395), (30, 682409), (35, 584922), (39, 524930), (42, 487435), (65, 314958), (70, 292461), (78, 262465), (91, 224970), (105, 194974), (130, 157479), (182, 112485), (195, 104986), (210, 97487), (273, 74990), (390, 52493), (455, 44994), (546, 37495), (910, 22497), (1365, 14998), (2730, 7499)]