20148664480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17989879}}^1$

素因数の和:17989901

約数の個数: 48

約数和(自身を含む): 54401397120

約数和(自身を除く): 34252732640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17989879, 35979758, 71959516, 89949395, 125929153, 143919032, 179898790, 251858306, 287838064, 359797580, 503716612, 575676128, 629645765, 719595160, 1007433224, 1259291530, 1439190320, 2014866448, 2518583060, 2878380640, 4029732896, 5037166120, 10074332240, 20148664480]

約数ペア:

[(1, 20148664480), (2, 10074332240), (4, 5037166120), (5, 4029732896), (7, 2878380640), (8, 2518583060), (10, 2014866448), (14, 1439190320), (16, 1259291530), (20, 1007433224), (28, 719595160), (32, 629645765), (35, 575676128), (40, 503716612), (56, 359797580), (70, 287838064), (80, 251858306), (112, 179898790), (140, 143919032), (160, 125929153), (224, 89949395), (280, 71959516), (560, 35979758), (1120, 17989879)]