20521992

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 54820800

約数和(自身を除く): 34298808

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 179, 204, 281, 358, 408, 537, 562, 716, 843, 1074, 1124, 1432, 1686, 2148, 2248, 3043, 3372, 4296, 4777, 6086, 6744, 9129, 9554, 12172, 14331, 18258, 19108, 24344, 28662, 36516, 38216, 50299, 57324, 73032, 100598, 114648, 150897, 201196, 301794, 402392, 603588, 855083, 1207176, 1710166, 2565249, 3420332, 5130498, 6840664, 10260996, 20521992]

約数ペア:

[(1, 20521992), (2, 10260996), (3, 6840664), (4, 5130498), (6, 3420332), (8, 2565249), (12, 1710166), (17, 1207176), (24, 855083), (34, 603588), (51, 402392), (68, 301794), (102, 201196), (136, 150897), (179, 114648), (204, 100598), (281, 73032), (358, 57324), (408, 50299), (537, 38216), (562, 36516), (716, 28662), (843, 24344), (1074, 19108), (1124, 18258), (1432, 14331), (1686, 12172), (2148, 9554), (2248, 9129), (3043, 6744), (3372, 6086), (4296, 4777)]