20396340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:478

約数の個数: 96

約数和(自身を含む): 64229760

約数和(自身を除く): 43833420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 107, 108, 135, 180, 214, 270, 321, 353, 428, 535, 540, 642, 706, 963, 1059, 1070, 1284, 1412, 1605, 1765, 1926, 2118, 2140, 2889, 3177, 3210, 3530, 3852, 4236, 4815, 5295, 5778, 6354, 6420, 7060, 9531, 9630, 10590, 11556, 12708, 14445, 15885, 19062, 19260, 21180, 28890, 31770, 37771, 38124, 47655, 57780, 63540, 75542, 95310, 113313, 151084, 188855, 190620, 226626, 339939, 377710, 453252, 566565, 679878, 755420, 1019817, 1133130, 1359756, 1699695, 2039634, 2266260, 3399390, 4079268, 5099085, 6798780, 10198170, 20396340]

約数ペア:

[(1, 20396340), (2, 10198170), (3, 6798780), (4, 5099085), (5, 4079268), (6, 3399390), (9, 2266260), (10, 2039634), (12, 1699695), (15, 1359756), (18, 1133130), (20, 1019817), (27, 755420), (30, 679878), (36, 566565), (45, 453252), (54, 377710), (60, 339939), (90, 226626), (107, 190620), (108, 188855), (135, 151084), (180, 113313), (214, 95310), (270, 75542), (321, 63540), (353, 57780), (428, 47655), (535, 38124), (540, 37771), (642, 31770), (706, 28890), (963, 21180), (1059, 19260), (1070, 19062), (1284, 15885), (1412, 14445), (1605, 12708), (1765, 11556), (1926, 10590), (2118, 9630), (2140, 9531), (2889, 7060), (3177, 6420), (3210, 6354), (3530, 5778), (3852, 5295), (4236, 4815)]