20453601

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 35831808

約数和(自身を除く): 15378207

約数列:

[1, 3, 7, 17, 21, 23, 47, 51, 53, 69, 119, 141, 159, 161, 329, 357, 371, 391, 483, 799, 901, 987, 1081, 1113, 1173, 1219, 2397, 2491, 2703, 2737, 3243, 3657, 5593, 6307, 7473, 7567, 8211, 8533, 16779, 17437, 18377, 18921, 20723, 22701, 25599, 42347, 52311, 55131, 57293, 62169, 127041, 128639, 145061, 171879, 296429, 385917, 401051, 435183, 889287, 973981, 1203153, 2921943, 6817867, 20453601]

約数ペア:

[(1, 20453601), (3, 6817867), (7, 2921943), (17, 1203153), (21, 973981), (23, 889287), (47, 435183), (51, 401051), (53, 385917), (69, 296429), (119, 171879), (141, 145061), (159, 128639), (161, 127041), (329, 62169), (357, 57293), (371, 55131), (391, 52311), (483, 42347), (799, 25599), (901, 22701), (987, 20723), (1081, 18921), (1113, 18377), (1173, 17437), (1219, 16779), (2397, 8533), (2491, 8211), (2703, 7567), (2737, 7473), (3243, 6307), (3657, 5593)]