20757672

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 61632480

約数和(自身を除く): 40874808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 67, 72, 78, 104, 117, 134, 156, 201, 234, 268, 312, 331, 402, 468, 536, 603, 662, 804, 871, 936, 993, 1206, 1324, 1608, 1742, 1986, 2412, 2613, 2648, 2979, 3484, 3972, 4303, 4824, 5226, 5958, 6968, 7839, 7944, 8606, 10452, 11916, 12909, 15678, 17212, 20904, 22177, 23832, 25818, 31356, 34424, 38727, 44354, 51636, 62712, 66531, 77454, 88708, 103272, 133062, 154908, 177416, 199593, 266124, 288301, 309816, 399186, 532248, 576602, 798372, 864903, 1153204, 1596744, 1729806, 2306408, 2594709, 3459612, 5189418, 6919224, 10378836, 20757672]

約数ペア:

[(1, 20757672), (2, 10378836), (3, 6919224), (4, 5189418), (6, 3459612), (8, 2594709), (9, 2306408), (12, 1729806), (13, 1596744), (18, 1153204), (24, 864903), (26, 798372), (36, 576602), (39, 532248), (52, 399186), (67, 309816), (72, 288301), (78, 266124), (104, 199593), (117, 177416), (134, 154908), (156, 133062), (201, 103272), (234, 88708), (268, 77454), (312, 66531), (331, 62712), (402, 51636), (468, 44354), (536, 38727), (603, 34424), (662, 31356), (804, 25818), (871, 23832), (936, 22177), (993, 20904), (1206, 17212), (1324, 15678), (1608, 12909), (1742, 11916), (1986, 10452), (2412, 8606), (2613, 7944), (2648, 7839), (2979, 6968), (3484, 5958), (3972, 5226), (4303, 4824)]