20228799409

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 27509932800

約数和(自身を除く): 7281133391

約数列:

[1, 7, 13, 17, 49, 89, 91, 119, 139, 151, 221, 623, 637, 833, 973, 1057, 1157, 1513, 1547, 1807, 1963, 2363, 2567, 4361, 6811, 7399, 8099, 10591, 10829, 12371, 12649, 13439, 13741, 16541, 17969, 19669, 20989, 30719, 33371, 56693, 74137, 86597, 88543, 94073, 96187, 115787, 125783, 137683, 146923, 160823, 174707, 210307, 215033, 228463, 233597, 272857, 356813, 606179, 658511, 963781, 1028461, 1125761, 1222949, 1472149, 1505231, 1599241, 1635179, 1868021, 1909999, 2497691, 2733991, 2970019, 4638569, 7880327, 8560643, 10305043, 11194687, 13076147, 13369993, 17483837, 19137937, 20790133, 24284273, 31756357, 32469983, 91533029, 133965559, 145530931, 169989911, 222294499, 227289881, 412832641, 1189929377, 1556061493, 2889828487, 20228799409]

約数ペア:

[(1, 20228799409), (7, 2889828487), (13, 1556061493), (17, 1189929377), (49, 412832641), (89, 227289881), (91, 222294499), (119, 169989911), (139, 145530931), (151, 133965559), (221, 91533029), (623, 32469983), (637, 31756357), (833, 24284273), (973, 20790133), (1057, 19137937), (1157, 17483837), (1513, 13369993), (1547, 13076147), (1807, 11194687), (1963, 10305043), (2363, 8560643), (2567, 7880327), (4361, 4638569), (6811, 2970019), (7399, 2733991), (8099, 2497691), (10591, 1909999), (10829, 1868021), (12371, 1635179), (12649, 1599241), (13439, 1505231), (13741, 1472149), (16541, 1222949), (17969, 1125761), (19669, 1028461), (20989, 963781), (30719, 658511), (33371, 606179), (56693, 356813), (74137, 272857), (86597, 233597), (88543, 228463), (94073, 215033), (96187, 210307), (115787, 174707), (125783, 160823), (137683, 146923)]