20937098

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 41948928

約数和(自身を除く): 21011830

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 67, 91, 101, 119, 134, 182, 202, 221, 238, 442, 469, 707, 871, 938, 1139, 1313, 1414, 1547, 1717, 1742, 2278, 2626, 3094, 3434, 6097, 6767, 7973, 9191, 12019, 12194, 13534, 14807, 15946, 18382, 22321, 24038, 29614, 44642, 47369, 87971, 94738, 103649, 115039, 156247, 175942, 207298, 230078, 312494, 615797, 805273, 1231594, 1495507, 1610546, 2991014, 10468549, 20937098]

約数ペア:

[(1, 20937098), (2, 10468549), (7, 2991014), (13, 1610546), (14, 1495507), (17, 1231594), (26, 805273), (34, 615797), (67, 312494), (91, 230078), (101, 207298), (119, 175942), (134, 156247), (182, 115039), (202, 103649), (221, 94738), (238, 87971), (442, 47369), (469, 44642), (707, 29614), (871, 24038), (938, 22321), (1139, 18382), (1313, 15946), (1414, 14807), (1547, 13534), (1717, 12194), (1742, 12019), (2278, 9191), (2626, 7973), (3094, 6767), (3434, 6097)]