20749492044

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{131203}}^1$

素因数の和:131427

約数の個数: 72

約数和(自身を含む): 55017510912

約数和(自身を除く): 34268018868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 191, 207, 276, 382, 414, 573, 764, 828, 1146, 1719, 2292, 3438, 4393, 6876, 8786, 13179, 17572, 26358, 39537, 52716, 79074, 131203, 158148, 262406, 393609, 524812, 787218, 1180827, 1574436, 2361654, 3017669, 4723308, 6035338, 9053007, 12070676, 18106014, 25059773, 27159021, 36212028, 50119546, 54318042, 75179319, 100239092, 108636084, 150358638, 225537957, 300717276, 451075914, 576374779, 902151828, 1152749558, 1729124337, 2305499116, 3458248674, 5187373011, 6916497348, 10374746022, 20749492044]

約数ペア:

[(1, 20749492044), (2, 10374746022), (3, 6916497348), (4, 5187373011), (6, 3458248674), (9, 2305499116), (12, 1729124337), (18, 1152749558), (23, 902151828), (36, 576374779), (46, 451075914), (69, 300717276), (92, 225537957), (138, 150358638), (191, 108636084), (207, 100239092), (276, 75179319), (382, 54318042), (414, 50119546), (573, 36212028), (764, 27159021), (828, 25059773), (1146, 18106014), (1719, 12070676), (2292, 9053007), (3438, 6035338), (4393, 4723308), (6876, 3017669), (8786, 2361654), (13179, 1574436), (17572, 1180827), (26358, 787218), (39537, 524812), (52716, 393609), (79074, 262406), (131203, 158148)]